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Helvine

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About HelvineHide

Formula:
Be3Mn2+4(SiO4)3S
Colour:
Golden yellow, brown, red, gray-yellow, yellow-green
Lustre:
Vitreous, Resinous
Hardness:
6 - 6½
Specific Gravity:
3.2 - 3.44
Crystal System:
Isometric
Member of:
Name:
from Latin 'helvus' = 'yellow', for the colour
Helvine Group. Danalite-Helvine Series, and the Genthelvite-Helvine Series.
The IMA officially recognized name (2012 IMA list) is helvine, not helvite, although the synonym "helvite" may be more common in the literature.


Classification of HelvineHide

Approved, 'Grandfathered' (first described prior to 1959)
9.FB.10

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 7th ed.:
76.2.4.1
76.2.4.1

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
17.9.4

17 : Silicates Containing other Anions
9 : Silicates with sulphide or sulphite

Pronounciation of HelvineHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HelvineHide

Vitreous, Resinous
Transparency:
Translucent
Colour:
Golden yellow, brown, red, gray-yellow, yellow-green
Streak:
White
Hardness:
6 - 6½ on Mohs scale
Hardness:
VHN100=741 - 873 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct on {111} {111}
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.2 - 3.44 g/cm3 (Measured)    3.23 g/cm3 (Calculated)

Optical Data of HelvineHide

Type:
Isotropic
RI values:
n = 1.728 - 1.749
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
High

Chemical Properties of HelvineHide

Formula:
Be3Mn2+4(SiO4)3S
Common Impurities:
Al,Fe,Zn,Ca

Chemical AnalysisHide

Oxide wt%:
 1
SiO232.08 %
Al2O30.23 %
MnO27.02 %
FeO16.14 %
ZnO7.40 %
CaO0.15 %
MgO0.26 %
BeO13.26 %
S5.86 %
O=S-2.92 %
Total:99.48 %
Sample references:
IDLocalityReference
1Hørtekollen, Sylling, Lier, Buskerud, NorwayLarsen, A.O. (1988) Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124

Crystallography of HelvineHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3n
Cell Parameters:
a = 8.29 Å
Unit Cell V:
569.72 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Tetrahedra, dodecahedra, octahedra

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000973HelvineHassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-19219850293
0000974HelvineHassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-19219850293
0010952HelvineKudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-3121985Schwarzenberg, Saxony1.4293
0010953HelvineKudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-3121985Schwarzenberg, Saxony2.7293
0010954HelvineKudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-3121985Schwarzenberg, Saxony3.6293
0010955HelvineKudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-3121985Schwarzenberg, Saxony4293
0010956HelvineKudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-3121985Schwarzenberg, Saxony4.5293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Geological EnvironmentHide

Geological Setting:
Granites, pegmatites, gneisses, contact zones, skarns.

Type Occurrence of HelvineHide

Synonyms of HelvineHide

Other Language Names for HelvineHide

Simplified Chinese:日光榴石
Spanish:Helvita

Relationship of Helvine to other SpeciesHide

Member of:
Other Members of this group:
DanaliteBe3Fe2+4(SiO4)3SIso. 4 3m : P4 3n
GenthelviteBe3Zn4(SiO4)3SIso. 4 3m : P4 3n
TugtupiteNa4BeAlSi4O12ClTet. 4 : I4
Structurally related to group(s):
Sodalite GroupThe Sodalite Group is characterised by sodalite-type stacking of alumosilicate building units that produces ...
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
99 photos of Helvine associated with QuartzSiO2
47 photos of Helvine associated with SpessartineMn2+3Al2(SiO4)3
30 photos of Helvine associated with GenthelviteBe3Zn4(SiO4)3S
29 photos of Helvine associated with Smoky QuartzSiO2
24 photos of Helvine associated with CalciteCaCO3
23 photos of Helvine associated with AlbiteNa(AlSi3O8)
18 photos of Helvine associated with Chlorite Group
16 photos of Helvine associated with MuscoviteKAl2(AlSi3O10)(OH)2
12 photos of Helvine associated with FluoriteCaF2
10 photos of Helvine associated with RhodochrositeMnCO3

Related Minerals - Nickel-Strunz GroupingHide

9.FB.05Afghanite(Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6Trig. 3m : P3 1c
9.FB.05Bystrite(Na,K)7Ca(Al6Si6O24)(S5)ClHex.
9.FB.05Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2OHex. 6 : P63
9.FB.05CancrisiliteNa7(Al5Si7O24)(CO3) · 3H2OHex.
9.FB.05Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2Hex. 6/m : P63/m
9.FB.05Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2OHex.
9.FB.05Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2Trig. 3m : P3 1c
9.FB.05HydroxycancriniteNa8(Al6Si6O24)(OH)2 · 2H2OHex.
9.FB.05Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4Hex. 6 : P6
9.FB.05MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2Hex.
9.FB.05PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2OHex.
9.FB.05Quadridavyne(Na,K)6Ca2(Al6Si6O24)Cl4Hex.
9.FB.05Sacrofanite(Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2OHex.
9.FB.05Tounkite(Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2OHex.
9.FB.05Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2OHex. 6 : P63
9.FB.05Marinellite(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2OTrig. 3m : P3 1c
9.FB.05Farneseite(Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2OHex. 6/m : P63/m
9.FB.05Alloriite(Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6Trig. 3m : P3 1c
9.FB.05Biachellaite(Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2OTrig. 3 : P3
9.FB.05Fantappièite[Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2OTrig. 3 : R3
9.FB.05KyanoxaliteNa7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5)Hex. 6 : P63
9.FB.05Balliranoite(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)Hex. 6 : P63
9.FB.05CarbobystriteNa8(Al6Si6O24)(CO3) · 3.5H2OTrig. 3m : P3 1c
9.FB.05DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (xHex. 6 : P63
9.FB.05KircheriteNa5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2OTrig. 3 2 : R3 2
9.FB.10BicchuliteCa2(Al2SiO6)(OH)2Iso. 4 3m : I4 3m
9.FB.10DanaliteBe3Fe2+4(SiO4)3SIso. 4 3m : P4 3n
9.FB.10GenthelviteBe3Zn4(SiO4)3SIso. 4 3m : P4 3n
9.FB.10Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)Iso. 4 3m : P4 3n
9.FB.10KamaishiliteCa2(Al2SiO6)(OH)2Tet.
9.FB.10LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2Iso. 4 3m : P4 3n
9.FB.10NoseanNa8(Al6Si6O24)(SO4) · H2OIso. 4 3m : P4 3n
9.FB.10SodaliteNa4(Si3Al3)O12ClIso. 4 3m : P4 3n
9.FB.10Tsaregorodtsevite(N(CH3)4)(AlSi5O12)Orth.
9.FB.10TugtupiteNa4BeAlSi4O12ClTet. 4 : I4
9.FB.15MarialiteNa4Al3Si9O24ClTet. 4/m : I4/m
9.FB.15MeioniteCa4Al6Si6O24CO3Tet. 4/m : I4/m
9.FB.15Silvialite(Ca,Na)4(Al6Si6O24)(SO4,CO3)Tet. 4/m : I4/m

Related Minerals - Dana Grouping (8th Ed.)Hide

76.2.4.2DanaliteBe3Fe2+4(SiO4)3SIso. 4 3m : P4 3n
76.2.4.3GenthelviteBe3Zn4(SiO4)3SIso. 4 3m : P4 3n

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

17.9.1LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2Iso. 4 3m : P4 3n
17.9.2JasmunditeCa11(SiO4)4O2STet. 4 2m : I4m2
17.9.3GenthelviteBe3Zn4(SiO4)3SIso. 4 3m : P4 3n
17.9.5DanaliteBe3Fe2+4(SiO4)3SIso. 4 3m : P4 3n

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HelvineHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Mohs, F. (1804) Des Herrn JAC. FRIED. VON DER NULL Mineralienkabinett, nach einem, durchaus auf äussere Kennzeichen gegründeten Systeme geordnet, beschrieben, und durch Hinzuthuung vieler, dem gegenwärtigen Zustande der Mineralogie angemessener, erläuternder Anmerkungen und nöthiger Berichtigungen, als Handbuch der Oryctognosie brauchbar gemacht. Wien. Vol. 1, p. 92-93.
Freiesleben, J.C. (1817): Helvin.- Geognostische Arbeiten, Band 6.
Freyberg, Craz & Gerlach, p. 126-129.
Werner, A.G. (1817): Letztes Mineral-System.- Freyberg & Wien, p. 2 and 29.
American Mineralogist (1985): 70: 186-192.

Internet Links for HelvineHide

Localities for HelvineHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Córdoba Province
    • Punilla Department
      • Capilla del Monte
Rimann, E. (1928) Bodenbenderite, a new mineral from Argentina. Sitzungsber. Abhandl. Naturwiss. Gesell. Isis, Dresden. Festschrift fuer Richard Baldauf, 42-51.
          • Cerro Uritorco
William T. Holser: Beryllium minerals in the Victorio Mountains, Luna County, New Mexico. AM 38, 519 ff.
Sureda, R., Lira, R., & Colombo, F. (2010). Gustavite, PbAgBi3S6-P21/c, with the bismuth and silver minerals at Los Guindos mining group, Pampa de Olaen, Córdoba, Argentina (31° 11'S/64° 33'W). Andean Geology, 33(1).
  • Jujuy Province
    • Humahuaca Department
      • Aguilar mining district
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
Australia
 
  • Tasmania
    • Burnie City
      • Hampshire district
        • Kara Mines
Bottrill & Baker, 2008 Catalogue of mineral of Tasmania
    • West Coast municipality
      • Mt Lindsay mineral field
Bottrill, R.S., Baker, W.E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey Tasmania Bulletin 73, 254 pages.
      • Rosebery district
        • Rosebery
Zaw, K., Large, R. R., & Huston, D. L. (1997). Petrologic and geochemical significance of a Devonian replacement zone in the Cambrian Rosebery massive sulfide deposit, western Tasmania. The Canadian Mineralogist, 35(5), 1325-1349.
  • Western Australia
    • Coolgardie Shire
      • Coolgardie
Grguric, B. A. & Downes, P. J. (2008): Pegmatite minerals from the Barabara mine, Coolgardie, Western Australia. Australian J. of Mineralogy 14, 55-60.
    • Port Hedland Shire
      • Abydos Station
        • Wodgina
Simpson, Edward S. (1928) Famous Mineral Localities: Wodgina, North West Australia, American Mineralogist, Vol. 13, No. 9, September 1928, pp.457-468.
      • Mugarinya Community (Yandearra; Yandeearra; Yandeyarra)
Simpson, E.S. (1928) Famous Mineral Localities: Wodgina North West Australia, American Mineralogist, 13:9, 457-468. Calderwood, M.A., Grguric, B.A., Jacobson, M.I. (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
Jacobson, M., Calderwood, M., Grguric, B. (2007), Pegmatites of Western Australia, 2007
    • Yalgoo Shire
      • Noongal Station
Pegmatites of Western Australia; M Jacobson, M Calderwood, B Grguric; Hesperian Press, Perth, 2007.
Austria
 
  • Lower Austria
    • Horn District
      • Gars am Kamp
        • Maiersch
Neumayer, R. (1980): Neue Mineralfunde aus dem Waldviertel. Mitt. Österr. Mineral. Ges., 127, 30-32.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Krems-Land District
      • Weinzierl am Walde
        • Maigen
KNOBLOCH, Gerald (2012): Erdgeschichte(n) zwischen Krems & Kamp.- 275 S., Pöllauberg (Living Edition).; Kolitsch, U. (2018): 2090) Annit, Chamosit, Helvin und Ranciéit vom Tannenfeld (Tannfeld) bei Maigen im Waldviertel, Niederösterreich. P. 229 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
    • Waidhofen an der Thaya District
      • Pfaffenschlag bei Waidhofen
        • Artolz (Artholz)
Kolitsch, U. (2017): 2041) Helvin, Rutil und Spessartin vom Steinbruch Poschacher bei Artolz im Waldviertel, Niederösterreich. Pp. 261-262 in Walter, F. et al. (2017): Neue Mineralfunde aus Österreich LXVI. Carinthia II, 207./127., 217-284.
  • Styria
    • Bruck-Mürzzuschlag District
      • Sankt Barbara im Mürztal
        • Veitsch
          • Kleinveitsch
            • Kaiblinggraben
Gerald Gesselbauer (06.2010)
Postl, W., Bernhard, F. & Hofer, F. (1998): Ein Neufund von Helvin aus dem Manganerzvorkommen Kaskogel, Veitsch, Steiermark. Mitteilungen der Abteilung für Mineralogie am Landesmuseum Joanneum, 62/63, 59-64. [https://www.museum-joanneum.at/upload/file/Mineralogie/Mitteilungen/mitt62-63_1998_59-64_Postl.PDF]
  • Tyrol
    • Schwaz District
      • Finkenberg
        • Schrammacher
Orlandi, P., Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia Italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
Brazil
 
  • Amazonas
    • Presidente Figueiredo
      • Pitinga mine
A. C. Bastos Neto, V. P. Pereira, L. H. Ronchi, E. F. de Lima and J. C. Frantz (2009): The world-class Sn, Nb, Ta, F (Y, REE, Li) deposit and the massive cryolite associated with the albite-enriched facies of the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil. Canadian Mineralogist 47, 1329-1357.
  • Goiás
    • Cavalcante
Bilal, E. (2013). Geochimie Et Conditions De Cristallisation Des Mineraux Du Groupe Dd L’Helvite. Revista Geonomos, 2(2)p1-13
  • Minas Gerais
    • Conselheiro Pena
      • Penha do Norte
Rocks & Minerals (2009) 84:42-45; Moore, T. (2004): What's New in Minerals. Costa Mesa Show 2003. Mineralogical Record. 35(2),143-145
  • Paraíba
    • Vieirópolis
      • Vieirópolis pegmatite field
e Souza, M. B. D. A., França, R. H. M., & de Lira, L. C. M. (2016, July). Vieirópolis Pegmatite Field, Northwest of Paraíba State, Brazil: New Occurrences of Amazonite Pegmatites. In Second Eugene E. Foord Pegmatite Symposium (p. 24).
Bulgaria
 
  • Kyustendil Province
http://www.mgu.bg/sessions/06/1/smynkov.pdf
  • Smolyan Province
    • Madan ore field
      • Krushev dol mine
Berylium mineralisation in Pb-Zn ore deposit Krushev dol, Madan district, Bulgaria Zh. Janakieva, Ch. Nachev, Sh. Sirakov . “Geosciences 2008”, Proceedings.; Min Rec (2009) 40:66
Canada
 
  • New Brunswick
    • York Co.
      • Stanley Parish
NB Mineral Occurrence Database Ref. 45
  • Northwest Territories
    • Mackenzie Mountains
      • Tungsten
Groat, L.A., Mulja, T., Mauthner, M.H.F., Ercit, T.S., Raudsepp, M., Gault, R.A., Rollo, H.A. (2003) Geology and mineralogy of the Little Nahanni rare-element granitic pegmatites, Northwest Territories. The Canadian Mineralogist: 41: 139-160.
  • Nova Scotia
    • Victoria Co.
Chatterjee, A.K. (1977) Copper-Zinc Deposit at McMillan Brook, Victoria County, Cape Breton Island. Nova Scotia Department of Mines, Report 77-1.
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
GRICE, J.D. (1989) Mont Saint-Hilaire, Quebec: Canada's Most Diverse Mineral Locality. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 100-108; 166-175.; HORVÁTH, L., GAULT, R.A. (1990) The mineralogy of Mont Saint-Hilaire. Mineralogical Record, 21, 281-359.
China
 
  • Fujian
    • Zhangzhou
      • Yunxiao Co.
        • Tongbei
http://www.smartminerals.com/cina2004/art_fujian.htm and Ottens, B., 2005. Tongbei. Spessartine localities, Fujian Province, China. Mineralogical Record, 36 (1): 35-43
  • Gansu
    • Jiuquan
      • Subei Co.
Fengjun Nie, Sihong Jiang, Peng Hu, and Yi Zhang (2004): Mineral Deposits 23(1), 11-19
  • Guangdong
    • Heyuan
      • Longchuan Co. (Lungchuan Co.)
Tron, J. (2003): "Vor Ort" in China: Roter Quartz & Hämtit aus Jinlong. Lapis 28 (6), 52-53
    • Shaoguan
      • Wengyuan Co.
Xiaofei Wang, Huawen Qi, Ruizhong Hu, Wenjun Qu, Jiantang Peng, and Xianwu Bi (2010): Mineral Deposits 29(3), 415-426
  • Hubei
    • Huangshi
      • Daye Co.
http://www.smartminerals.com/cina2004/art_hubei.htm
  • Hunan
    • Chenzhou
      • Linwu Co.
        • Xianghualing Sn-polymetallic ore field
Huang et al. (1988): Hsianghualing rocks, mineral deposits and minerals. Beijing Sci. Techn. Publ. Bur. (Beijing), 255 pp.
Yuzhou Li (1990): Geology and Prospecting 26(6), 29-35
      • Suxian District
        • Dongpo ore field
Bingtao Li (1993): Geology and Prospecting 29(9), 5-11
      • Yizhang Co.
        • Dongpo ore field
Shimou Chen, Hongchang Li, Ciguo Xie, and Shangjing Ai (1981): Geology and Prospecting 17(10), 15-21; Yuzhou Li (1990): Geology and Prospecting 26(6), 29-35; Jingwen Mao, Hongyan Li, Hidehiko Shimazaki, Raimbault, L., and Guy, B. (1996): International Geology Review 38(11), 1020-1039
        • Yaogangxian W-Sn ore field
Ottens, B., and Cook, R.B. (2005): Rocks & Minerals 80(1), 46-57; Ottens, B. (2011): Mineralogical Record 42, 557-603
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
        • Huanggang Fe-Sn deposit (Huanggangliang Mine; Huanggang Mine)
Ottens, B. and G. Neumeier (2012) The Huanggang Mine, Inner Mongolia, China. Mineralogical Record 43:529-563
Ottens, B. and G. Neumeier (2012) The Huanggang Mine, Inner Mongolia, China. Mineralogical Record 43:529-563
    • Tongliao City (Tongliao Prefecture)
      • Jarud Banner (Zalute Co.)
        • Baerzhe complex
Zhongxin Yuan and Ge Bai (1997): Geology and Prospecting 33(1), 42-48
    • Xilingol League (Xilinguole Prefecture)
      • East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi)
Jiangbin specimen
  • Jiangxi
    • Ganzhou
      • Anyuan Co.
Yunhuai Lin and Shiyang Chen (1985): Geology and Prospecting 21(3), 23-31
      • Chongyi Co.
Yunhuai Lin and Shiyang Chen (1985): Geology and Prospecting 21(3), 23-31
      • Dayu Co.
        • Xihuashan ore field
Berthold Ottens (2009) Lapis, 34, #10, 31-41.
Giuliani, G., Li, Y.D., and Sheng, T.F. (1988): Mineralium Deposita 23, 24-33.
      • Quannan Co.
Raimbault, L., and Bilal, E. (1993): Canadian Mineralogist 31, 119-127.
  • Yunnan
    • Wenshan
      • Wenshan City
DU, S. and WEH, H. (2014), A New Type of Beryllium Resource from the Maka Tungsten Polymetallic Deposit, Laojunshan Ore Cluster, SE Yunnan Province, China. Acta Geologica Sinica, 88: 1447–1448.
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
      • Boží Dar
Jan Vlk
  • Pardubice Region
    • Pardubice District
Novák, F., Jansa, J.: Parageneze nerostů s helvínem z chvaletického ložiska. Časopis pro mineralogii a geologii, 1965, roč. 10, č. 1, s. 75-79.
France
 
  • Occitanie
    • Hautes-Pyrénées
      • Bagnères-de-Bigorre
Ragu, A. (1994): Helvite from the French Pyrénées as evidence for granite-related hydrothermal activity. Canadian Mineralogist 32, 111-120.
        • Vielle-Aure
Ragu, A. (1994): Helvite from the French Pyrénées as evidence for granite-related hydrothermal activity. Canadian Mineralogist 32, 111-120.; DE ASCENCAO GUEDES R., TIXADOR Y., CASTERET A. & GOUJOU JC. (2002) La mine de Coustou, Vielle-Aure, Hautes-Pyrénées. Le Règne Minéral, 47, 23-31. (in french)
    • Pyrénées-Orientales
      • Céret
        • Prats-de-Mollo-la-Preste
Dubru. M, (1986) Pétrologie et géochimie du marbre à brucite et des borates associés au gisement de tungstène de Costabonne, (Pyrénées orientales, France) 930p Guitard, G. (2010): Catalogue raisonné de la collection de minéralogie régionale, C.E.R.P. de Tautavel, 28.
Germany
 
  • Bavaria
    • Lower Bavaria
      • Passau District
        • Tittling
          • Hötzendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Matzersdorf
Peter Neschen Collection
  • Saxony
    • Erzgebirgskreis
      • Breitenbrunn
        • Antonsthal
Wittern: "Mineralfundorte in Deutschland", 2001 + Tröger, S. (2006): "Unverhofft Glück": Helvin-Neufund bei Antonsthal im sächsischen Erzgebirge. LAPIS 31 (2), 38-39
        • Breitenbrunn
J.C. Freiesleben (1817): Helvin.- Geognostische Arbeiten, Band 6. Freyberg, Craz & Gerlach, p. 126-129; Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp.
Andreas Gerstenberg collection
J.C. Freiesleben (1817): Helvin.- Geognostische Arbeiten, Band 6. Freyberg, Craz & Gerlach, p. 126-129
      • Grünhain-Beierfeld
        • Beierfeld
Lapis, 16 (6), 13-20+58.
Wittern: "Mineralfundorte in Deutschland", 2001
Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636
    • Görlitz District
www.minmax.net
  • Thuringia
    • Saale-Orla District
      • Wurzbach
        • Weitisberga
In Coll. Martin Slama, ex Coll. Jürgen Graf
Greenland
 
  • Kujalleq
    • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Bohse, H., Petersen, O., Niedermayr, G. (2001): Notes on Leucophanite from the Ilimaussaq alkaline complex, South Greenland, Geology of Greenland Survey Bulletin, 190, 119-121
Tony Peterson photo and collection, photo ID: 670841
India
 
  • Madhya Pradesh
    • Jhabua District
Lahiri, D. (1972). Helvine in the gondite of Kajlidongri, Madhya Pradesh, India. Mineralogical Magazine, 38(300), 974-975.
Italy
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
        • Monte Somma
          • Ercolano
            • San Vito
Campostrini, I., Demartin, F., Russo, M. (2014): Helvite e un probabile nuovo minerale del gruppo del pirocloro alla cava San Vito (Ercolano). GMT 2014 Giornate Mineralogiche di Tavagnasco, 6-8 giugno 2014. Plinius, 40, 149.
  • Lazio
    • Viterbo Province
American Mineralogist, Volume 86, pages 1066–1075, 2001
Della Ventura, G., Williams, C.T., Cabella, R., Oberti, R., Caprilli, E., Bellatreccia, F. (1999) Britholite-hellandite intergrowths and associated REE-minerals from the alkali-syenitic ejecta of the Vico volcanic complex (Latium, Italy): petrological implications bearing on REE mobility in volcanic systems. European Journal of Mineralogy, 11, 843-854; Oberti, R., Ottolini, L., Cámara, F., Della Ventura, G. (1999) Crystal structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy) and crystal chemistry of the hellandite-group minerals. American Mineralogist, 84, 913–921.
No reference listed
Carlini, R., Signoretti, E., 2003. Località minori del vulcano Vicano: Villa S.Giovanni in Tuscia e Mazzocchio. Il Cercapietre. Not. del Gruppo Mineralogico Romano, 1-2: 33-41
  • Lombardy
    • Brescia Province
      • Niardo
Cerea, F., Brena, I., Piccinelli, C., Ciriotti, M.E., Marengo, A., Bittarello, E., Bonacina, E., Appiani, R., Bracco, R. (2019): Minerali in Valle di Stabio, Val Camonica, Brescia. Micro, 17, 114-155.
    • Sondrio Province
      • Chiesa in Valmalenco
        • Muretto Valley
      • Novate Mezzola
AA. VV., 1996. Collezionare minerali. Hobby & Work.
Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Beura-Cardezza
Vanini F. (2000): Beura e Villadossola: nuovi ritrovamenti. Rivista Mineralogica Italiana, XXIV, 2, 123-124.
  • Tuscany
    • Grosseto Province
      • Pitigliano
in Coll. M. Slama, collected by Luigi Chiappino in the 1960ties, condirmed in Pisa university
    • Livorno Province
      • Campo nell'Elba
        • San Piero in Campo
Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
F. Pezzotta (1994) - Helvite of a M.te Capanne pluton pegmatite (Elba island, Italy): chemical, X-ray diffraction data and description of the occurrence. - Atti Accad. Naz. Lincei, Rend., 9: 355-362.
Japan
 
  • Fukushima Prefecture
    • Iwaki City
Matsubara, S., Kato, A., Shimizu, M., Sekiuchi, K., and Suzuki, M. (1996) Romeite from the Gozaisho mine, Iwaki, Japan. Mineralogical Journal 18, 155-160.
  • Gifu Prefecture
Endo, S. (2008) Chigaku Kenkyu, 57, 3-10.
  • Gunma Prefecture
    • Kiryu City
Matsubara, S., & Kato, A. (1980) Nagashimalite, Ba4 (V3+, Ti) 4 [(O, OH) 2| Cl| Si8B2O27], a new mineral from the Mogurazawa mine, Gumma prefecture, Japan. Mineralogical Journal, 10(3), 122-130.
  • Ibaraki Prefecture
    • Kasama City
      • Iwama
Haruna, Makoto et al. (2002) Mineralogical and oxygen isotope constraints on the origin of the contact-metamorphosed bedded manganese deposit at Nagasawa, Japan. The Canadian Mineralogist, 40, 1069-1089.
  • Iwate prefecture
    • Kamaishi City
Dr. Matsuo Nambu ore collection (curated at Geological Survey of Japan)
  • Nagano Prefecture
    • Matsumoto City
Yoshinaga, M. (1959) Mem. Fac. Sci., Kyushu University, Ser. D, 9, 47-53.
  • Shiga prefecture
    • Hikone City
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
  • Tochigi Prefecture
    • Kanuma City
Akira Kato (undated manuscript): Country rock and Minerals of the Kaso mine, Kanuma City, Tochigi Prefecture. (in japanese)
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan); Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636
Kazakhstan
 
  • East Kazakhstan
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
STEPANOV, A.V., BEKENOVA, G.K., LEVIN, V.L., HAWTHORNE, F.C. & DOBROVOL’SKAYA, E.A. (2012): Tarbagataite,(K,□)2(Ca,Na)(Fe2+,Mn)7Ti2(Si4O12)2O2(OH)4(OH,F), a new astrophyllite-group mineral species from the Verkhnee Espe deposit, Akjailyautas Mountains, Kazakhstan: description and crystal structure Canadian Mineralogist 50,159-168.
  • Karaganda Region
    • Balkhash
      • Kounrad Massif
Chen Xuanhua, Qu Wenjun, Han Shuqin, Seitmuratova, E., Yang Nong, Chen Zhengle, Zeng Fagang, Du Andao, and Wang Zhihong (2010): Geoscience Frontiers 1(1), 115-124
    • Karazhal
      • Betpakdala Desert (Bet-Pak-Dal Desert)
Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
    • Karkaraly
Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30
Kyrgyzstan
 
  • Issyk-Kul Region
    • Inyl'chek Range
      • Muzeinyi Valley
L.A. Pautov data
Malawi
 
  • Southern Region
    • Zomba
Guastoni A., Pezzotta F., Demartin F., 2003. Le pegmatiti di Zomba-Malosa (Malawi). Riv. Mineral. Ital., 27 (2): 66-77. ; Guastoni, A., & Pezzotta, F. (2007). REE-mineral phases replacing helvite, niobian-rutile, bastnäsite-(Ce) from alkaline pegmatites of Mount Malosa, Zomba District, Malawi. Granitic Pegmatites: the State of the Art. Memorias, 8, 42-43.
Malaysia
 
  • Selangor
Moh, G. H. (1982): Applied experimental ore petrology. Neues Jahrbuch für Mineralogie, Abhandlungen 144, 291-342.
Mexico
 
  • Chihuahua
    • Aquiles Serdán Municipality
      • Santa Eulalia Mining District
        • West Camp
          • Francisco Portillo
Panczner (1987):94-366.
Namibia
 
  • Otjozondjupa Region
    • Grootfontein
      • Kombat
Dunn, P.J. (1991), Rare minerals of the Kombat Mine, Mineralogical Record: 22(6): 421-425.
Norway
 
  • Buskerud
    • Drammen
Nordli, Ø. (1997): Ny E 134 Drammen- Nedre Eiker. Mineraler fra veiutbyggingen. STEIN 24 (3), 116-121
    • Lier
      • Lierskogen
Oftedal, I. & Sæbø, P.Chr. (1963): Contributions to the mineralogy of Norway No.18. Classification of some Norwegian members of the Helvine group. Norsk Geologisk Tidsskrift 43, 405-409
      • Sylling
Goldschmidt, V.M. (1911): Die Kontaktmetamorphose im Kristianiagebiet. Videnskapsselskapets Skrifter. 1.Mat.-Naturv. Klasse 1911. No 1. Kristiania. p 394-397
    • Modum
      • Åmot
Oftedal, I. & Sæbø, P.Chr. (1963): Contributions to the mineralogy of Norway No.18. Classification of some Norwegian members of the Helvine group. Norsk Geologisk Tidsskrift 43, 405-409
    • Øvre Eiker
      • Gunhildrud
Hurum, J. H; Jahren, J.; Berg, H.-J. & Bjerkgaard, T. (1997): En eksotisk pegmatitt i kambrosiluren ved Eikeren, Buskerud. STEIN 24 (3), 125-128
Larsen, K. E. & Stensrud, S. (2010): Mineralene i Rundemyrpegmatitten i Øvre Eiker, Buskerud. Norsk Bergverksmuseum Skrift 43: 53-64; Raade, G. (2020) Helvine-group minerals from Norwegian granitic pegmatites and some other granitic rocks: Cases of significant Sc and Sn contents. The Canadian Mineralogist (2020) 58 (3): 367–379.
  • Innlandet
    • Gran
Wiik, G. H.(2007): En helvin til i syenitten. STEIN 34 (4), 31
  • Nordland
    • Meløy
      • Holandsfjorden
Oftedal, I. (1950): En litiumførende granittpegmatitt i Nordland. Norsk Geologisk Tidsskrift 28, 234-237.
  • Oslo
    • Grorud
      • Bånkall
Oftedal, I. & Sæbø,P. Chr. (1963): Contributions to the mineralogy of Norway,No.18. Classification of some members of the helvine group. Norsk Geologisk Tidsskrift. 43, 405-409; Kvamsdal, L.O. (1998): Mineralene fra Nordmarkitt og Grefsensyenitt i Oslofeltet. AS Merkur-Trykk, Oslo. 72p
  • Telemark
    • Drangedal
      • Tørdal
Raade, G. & Erambert, M. (1999): An intergrowth of scandiobabingtonite and cascandite from the Heftetjern granite pegmatite, Norway. Neues Jahrbuch für Mineralogie Monatshefte 1999 (12):545-550; Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25; Raade, G. (2020) Helvine-group minerals from Norwegian granitic pegmatites and some other granitic rocks: Cases of significant Sc and Sn contents. The Canadian Mineralogist (2020) 58 (3): 367–379
    • Porsgrunn
      • Auenlandet
        • Sagåsen
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124; Andersen, F.,Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. MineralienWelt 7(4):21-100;
Larsen, A.O., Åsheim, A. and Gault, R. A. (2005): Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrifter 30: 58-62
      • Bassebu
Larsen, K. E. (2018): Noen funn av mineraler i Norge 2017 - 2018. Norsk Mineralsymposium 2018: 105-114; Andresen. P. & Friis, H. (2020) Mineraler fra Eikevegåsen larvikittbrudd, Bassebu, Porsgrunn, Telemark. Norsk Mineralsymposium 2020: 64-67
      • Bjørkedalen
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Knut Eldjarn
      • Langangen
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124 ; Am Min 68:5-6 pp 628-633
Larsen, A.O. (1988) Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
      • Langesundsfjorden
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Svein A. Berge collection/observation 2000.
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p ( D. Cappelen collection 1880)
        • Risøya
Svein A. Berge collection/observation 2000.
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
        • Siktesøya
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179; Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
      • Slevolden
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
    • Skien
      • Fossum Iron Mines
Larsen, A.O. (1993): Fossum jernverk. STEIN 20 (2), 112-116
Larsen, A.O. (1993): Gruver og skjerp i Skien. Stathelle 1993. 72p; Larsen, K.E. & Nordrum, F.S. (2013): Noen funn av mineraler i Norge 2012-2013. Norsk Bergverksmuseum Skrift. 50, 111-117
  • Vestfold
    • Færder
Ivy Wilson collection 1989
    • Larvik
      • Brunlanes
Field collected and identified by Knut Eldjarn
      • Hedrum
        • Lågendalen
Andersen, F. (1993): Hedrum pukkverk i Lågendalen. STEIN 20 (4), 236-238
      • Langesundsfjorden
Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp + 28 plates
        • Barkevik area
Field collected and identified by Knut Eldjarn
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
        • Stokkøya
Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 57; Larsen, A. O. (1988): Helvite group minerals form syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
      • Malerød
Peter Andresen collection, 2015.
Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7(4), 21-100
      • Tjølling
        • Håkestad
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124; Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19
        • Klåstad
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Larsen, K.E. & Stensvold, B.K.(2015): Berylliummineraler og andre sjeldne mineraler i syenittpegmatitter i Skallist larvikittbrudd, Tjølling, Larvik, Vestfold. Norsk Mineralsymposium 2015, 47-56
        • Stålaker
Hansen,R.(1981). Mineralnotater. NAGS-nytt 8(4),18
      • Tvedalen
Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124; Nordrum, F.S. (2002): Nyfunn av mineraler i Norge 2001-2002. STEIN 29 (2): 4-10;
Knut Edvard Larsen collection # MM-6065
Personally collected by Peter Andresen in 2007.
Engvoldsen, T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Peter Andresen collection, 2016.
Arne Åsheim collection 2006; Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26; Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Andresen, P. (2013): Gedigent bly og andre spennende mineraler fra en unik pegmatitt i Tvedalen. Norsk Bergverksmuseum Skrifter. 50, 83-87
Frode Andersen collection/observation 1992.
Knut Edvard larsen collection (MM-2580)
Kamphaug,E. (1987): Wikmanitt (sic!) fra Vevja-bruddet i Tvedalen. NAGS-nytt 14 (4),27. ; Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124
      • Tveidalsveien
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
    • Re
      • Ramnes
Andersen, F. & Berge, S. A. (1994): Himberg pukkverk, Ramnes, Vestfold. STEIN 21 (2), 96-102
    • Sande
      • Rien
Oftedal, I. & Sæbø, P.Chr. (1963): Contributions to the mineralogy of Norway No.18. Classification of some Norwegian members of the Helvine group. Norsk Geologisk Tidsskrift 43, 405-409
    • Sandefjord
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
Engvoldsen, T., Andersen, F., Berge, S. A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1):15-71
      • Østerøya
Svein A. Berge collection/observation 1992.
        • Yxney
Svein A. Berge collection/observation 1992.
      • Vesterøya
Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Bergverksmuseets Skrift 20, 50-59; Berge, S. A. (2013):Mineralene i Husebyyåsen feltspatbrudd, Vesterøya, Sandefjord. Norsk Bergverksmuseum Skrifter. 50, 93-99
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p
  • Viken
    • Bærum (Baerum)
Goldschmidt, V.M. (1911): Die Kontaktmetamorphose im Kristianiagebiet. Vitenskapsselskapets Skrifter. 1. Mat.Naturv. Klasse. (1911) No 1, Kristiania 1911. 483p., p.399
    • Lunner
OT. Ljostad photo & specimen
      • Grua
        • Grua mining district
Oftedal, I. & Sæbø, P.Chr. (1963): Contributions to the mineralogy of Norway No.18. Classification of some Norwegian members of the Helvine group. Norsk Geologisk Tidsskrift 43, 405-409
Pakistan
 
  • Gilgit-Baltistan
    • Astore District
      • Astor valley (Astore valley)
Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut); Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut)
Dudley Blauwet et al. (2004), Pakistan: Minerals, Mountains & Majesty", Lapis International
Peru
 
  • Áncash
    • Bolognesi Province
      • Huallanca District
        • Huallanca
Van King
Mineralogical Record 28, no. 4 (1997); Hyrsl & Rosales (2003) Mineralogical Record, 34, 241-254.; Hyrsl & Rosales (2003) Mineralogical Record, 34, 241-254.
Poland
 
  • Lower Silesian Voivodeship
    • Dzierżoniów County
      • Piława Górna
        • DSS Piława Górna Quarry
Pieczka, A., Łodziński, M., Szełęg, E., Ilnicki, S.S., Nejbert, K., Szuszkiewicz, A., Turniak, K., Banach, M., Michałowski, P. & Różniak, R. (2012) the Sowie Mts. Pegmatites (Lower Silesia, Sw Poland): A Current Knowledge. Mineralogica-Petrographica, 94, 105. Abstract Series, Szeged, Vol. 7
    • Świdnica County
Feldspat, ExtraLapis, 30 (2006)
Martens A. 1965: Pilinit und Helvin von Striegau. Der Aufschluss Jg 16, H. 12
Portugal
 
  • Guarda
    • Almeida
      • Malpartida e Vale de Coelha
Felix Garcia Garcia Mineral Collection
  • Vila Real
    • Ribeira de Pena
      • Cerva e Limões
Nuno Afonso collection (XRD-analysed)
Romania
 
  • Maramureș
    • Cavnic
Szakáll: Minerals of Carpathian Reg., 2004
  • Suceava
    • Suceava district
      • Ciocănești commune
        • Ciocănești
Udubașa, G., Ďud'a, R., Szakáll, S., Kvasnytsya, V., Koszowska, E., Novák, M. (2002): Minerals of the Carpathians (Szakáll, S., ed.). Granit, Prague, Czech Rep., 482 pp. Munteanu, M. (1993): A new occurrence of helvite in Romania–Oita, Bistritei Mountains (East Carpathians). Romanian Journal of Mineralogy 76, 127– 128 (Bucharest).
Russia
 
  • Chelyabinsk Oblast
    • Argayashsky District
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Ilmen Mountains
Kolesnichenko
  • Magadan Oblast
    • Kolyma River Basin
      • Ducat District
        • Omsukchan
          • Ducat ore field
Filimonova, L.G., and Chugaev, A.V. (2006): Geology of Ore Deposits 48(6), 489-498.
  • Republic of Karelia
    • Ladoga Region
Ivashchenko, V. I., & Lavrov, О. В. (2006) Ore Deposits and Occurrences in the North Ladoga Region, Southwest Karelia. in Ore Deposits And Occurrences In The North Ladoga Region, Southwest Karelia Field Trip Guidebook. Understanding the genesis of ore deposits to meet the demands of the 21st century 12th Quadrennial IAGOD Symposium 2006. Moscow. P.41-64.
P.Kartashov data; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Canadian Mineralogist Vol. 15, pp. 437-445 (1977)
      • Sortavala District
V.A. Gorelov (1997) Belomorian Belt in Gillen, C., & Rundqvist, D. V. (Eds.). Precambrian ore deposits of the East European and Siberian cratons (Vol. 30). Elsevier.
  • Tuva
    • Erzinsky District
Kuznetsova, L. G. (2009). Uncommon rare-elements spectrum and geochemical evolution of the Tastyg spodumene granitoids (South Siberia, Russia). Estudos Geol, 19(2), 150-155.; USGS Open File Report 2005-1252 p87
  • Zabaykalsky Krai
P.M. Kartashov data
South Africa
 
  • North West
    • Bojanala Platinum District
      • Pilanesberg Alkaline Ring Complex
Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa.
Spain
 
  • Community of Madrid
Garcia-Guinea, J., Correcher, V., Quejido, A., LaIglesia, A., & Can, N. (2005). The role of rare earth elements and Mn 2+ point defects on the luminescence of bavenite. Talanta, 65(1), 54-61.
Garcia G., Gonzalez C., Bueno A. (2004) - Cadalso de los Vidrios (Madrid), Bocamina, n° 14, pp: 12-46.
Tanago, J. G., Lozano, P. L., Larios, A. , La Iglesia, A. (2012) Stokesite crystals from La Cabrera, Madrid, Spain. Mineralogical Record 43:499-508
Sweden
 
  • Örebro County
    • Lindesberg
No reference listed
Kjell Gatedal Photo (7775)
    • Ljusnarsberg
      • Yxsjö ore field
No reference listed
  • Stockholm County
    • Haninge
      • Utö
        • Utö Mines
Nysten, P. (1996): Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
    • Nynäshamn
Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
  • Värmland County
    • Filipstad
Damman, A.H. & Lustenhouwer, W.J. (1992): Manganese-rich Calcic Amphiboles of the Tremolite-Ferro-Actinolite Series. Mineralogical Magazine. 56: 391-398
      • Långban Ore District
Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183. ; K:Gatedal
      • Persberg ore district
        • Pajsberg
Gustafsson, L. & Langhof, J.(1998): Helvit från Harstigen. Långbansnytt. vol 12 [reprinted in: Långbansnytt. De första 20 åren 1983-2003. Långbansällskapet - Skrifter och rapporter. 2, 71]; Gatedal, K. (2001): Helvit från Harstigen. Långbansnytt. vol 14 [reprinted in: Långbansnytt. De första 20 åren 1983-2003. Långbansällskapet - Skrifter och rapporter. 2, 70]
Switzerland
 
  • Grisons
    • Maloja Region
      • Bregaglia
        • Val Bregaglia
          • Val Forno
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 212.
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 212.
Tajikistan
 
  • Gorno-Badakhshan
    • Murghob
Leonid Pautov and Mirak Mirakov analytical data 2019 and collection
UK
 
  • England
    • Cornwall
      • Lanivet
Kingsbury, A.W.G. (1961) Beryllium Minerals in Cornwall and Devon: Helvine, Genthelvite, and Danalite. Mineralogical Magazine, vol. 32, n° 255, 921-940.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Kingsbury); Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications (referring to Kingsbury)
[Specimen in the Natural History Museum, London]; Kingsbury, A.W.G. (1961) Beryllium Minerals in Cornwall and Devon: Helvine, Genthelvite, and Danalite. Mineralogical Magazine, vol. 32, n° 255, 921-940.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Kingsbury); Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications (referring to Kingsbury)
      • St Just
        • Botallack
          • Botallack Mine
Kingsbury, A.W.G. (1961) Beryllium minerals in Cornwall and Devon: helvine, genthelvite and danalite. Mineralogical Magazine, 32, 921-940.
        • Trewellard
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
    • Devon
      • West Devon
        • Okehampton Hamlets
Kingsbury, A.W.G. (1961) Beryllium Minerals in Cornwall and Devon: Helvine, Genthelvite, and Danalite. Mineralogical Magazine, 32(255), 921-940.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42(322), 169-177 (referring to Kingsbury).; http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
USA
 
  • Alaska
    • Nome Census Area
      • Port Clarence Mining District
U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
  • Arizona
    • Cochise County
      • Middle Pass Mining District
        • Cochise Stronghold
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 245; Warner, L.A., et al (1959), Occurrence of non-pegmatite beryllium in the US, USGS PP 318; Meeves, H.C. (1966), Nonpegmatite beryllium occurrences in AZ, CO, NM, UT and four adjacent states, US Bur. of ines Rept. Inv. 6828.
        • Gordon Camp
Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geol. Sur. Branch Bull. 187, Index of Mining Properties in Cochise Co., AZ: 69 (Table 4); Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 245; Trischka, C., et al (1929), Diatomite in Arizona, Engr. Mining Jour.: 127: 13-14; Meeves, H.C. (1966), Nonpegmatite beryllium occurrences in AZ, CO, NM, UT and four adjacent states, US Bur. Mines Rept. Inv. 6828: 56..
Rolf Luetcke
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 245.
  • Arkansas
Howard, 1987. Mineral Species of Arkansas, addenda
      • Little Rock
Rocks and Minerals, (1989) 64:314-322
Henry Barwood - unpublished (2010)
  • California
    • San Diego County
      • Jacumba Mountains
        • Jacumba Mining District
          • Jacumba
            • Tule Mountain (Mount Tule; Tulley Mountain)
Mineralogical Record 33(5):363-407
      • Pala Mining District
        • Pala
          • Hiriart Mountain (Hariat Mtn; Harriot Mtn; Heriart Mtn; Heriot Mtn; Hiriat Hill)
Jahns, Richard Henry & Lauren A. Wright (1951), Gem and lithium bearing pegmatites of the Pala district, San Diego County, California: California Division Mines Special Report 7-A: 31, 38.
Jahns, Richard Henry & Wright, Lauren A. (1951), Gem and lithium-bearing pegmatites of the Pala district, San Diego County, California. California Division of Mines Special Report 7-A: p. 31.
Jahns, Richard Henry & Lauren A. Wright (1951), Gem and lithium bearing pegmatites of the Pala district, San Diego County, California: California Division Mines Special Report 7-A: 31, 38; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 215; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 368.
      • Rincon Mining District
        • Rincon
          • Rincon Mountain
Murdoch, Joseph (1946), Progress on revision of Bulletin 113 “Minerals of California,” with notes on some new mineral occurrences: California Division Mines Report 42: 198; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 215; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 368.; Jesse Fisher (2011) Mines and Minerals of the Southern California Pegmatite Province. Rocks & Minerals 86:14-34.
  • Colorado
    • Dolores Co.
      • Rico Mountains
        • Rico Mining District (Pioneer Mining District)
          • Silver Creek
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Gunnison Co.
      • Quartz Creek Pegmatite Mining District
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).
    • Park Co.
      • Alma Mining District
        • Mount Bross
Min News 20:9 pp1,3,10,11
    • San Juan Co.
      • Eureka Mining District
        • Gladstone
          • Bonita Peak
Rocks & Min.: 63: 366-384.; Burbank, W. S. (1933): The manganese minerals of the Sunnyside veins, Eureka Gulch, Colorado. American Mineralogist 18, 513-527.
  • Connecticut
    • Fairfield County
      • Stratford
Henderson, William A., Jr., Charles Weber and Marcelle Weber. (circa 1970), An Alpine Vein Deposit in Stratford, Conn. unpublished manuscript.; Henderson, William A., Jr., Charles Weber and Marcelle Weber. (circa 1970), Helvite from Stratford, Conn. unpublished manuscript.
    • Middlesex Co.
      • East Hampton (Chatham)
Schooner, Richard. (circa 1990), Untitled manuscript on central Connecticut mineralogy.
  • Idaho
    • Boise Co.
W.C. van Laer: the Sawtooth batholith, mindat 2009
WC van Laer, 2009
Wm. C. van Laer.
    • Elmore Co.
      • Glens Peak area
WC van Laer, 2009
Rocks & Min. 70:246; R&M 70:4 pp 242-263; R&M 70:4 pp 242-263; R&M 70:4 pp 242-263
  • Montana
    • Butte-Silver Bow
      • Boulder Mountains Area
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Butte Mining District (Summit Valley Mining District)
        • Walkerville
Rocks & Min.: 16: 244.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Rocks & Min.: 16: 244, 247.
Rocks & Min.: 16: 244.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Rocks & Min.: 16: 244.; Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 4O:627-636
  • Nevada
    • Clark Co.
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Hampshire
    • Carroll Co.
      • Bartlett
Yuzhou Li (1990): Geology and Prospecting 26(6), 29-35; Rocks & Minerals 80:4, 242-261; Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636; Barton, W. & C. E. Goldsmith (1968) New England Beryllium investigations. US Bureau Mines RI 7070
      • Hale's Location
Smith, Arthur E. (2005): New Hampshire Mineral Locality Index (Rocks & Minerals 80:242-261)
      • Jackson
Art Smith (2001) Mineral News, 17, #3, 1-7.
      • Madison
Rocks & Min 80:245
    • Grafton Co.
      • Bethlehem
Rocks & Minerals Vol.65 No.4
  • New Mexico
    • Grant Co.
      • Bound Ranch Mining District
NMBMMR Bull 87 Mineral and Water Resources of New Mexico
Minerals of New Mexico 3rd ed.
        • Grand View Camp
Minerals of New Mexico 3rd ed.; Weissenborn, A.E. (1948): A new occurrence of helvite. Am. Mineral. 33, 648-649. [http://www.minsocam.org/ammin/AM33/AM33_648.pdf]; Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40, 627-636.
    • Luna Co.
      • Victorio Mountains
NMBGMR Open-file Report OF-459; Kelly M. Donahue (2002) Geochemistry, geology, and geochronology of the Victorio mining district, Luna County, New Mexico: Linking skarn and porphyry systems to carbonate-hosted lead-zinc replacement deposits. NMBGMR Open-file Report OF-471 Virginia T. McLemore, Nelia Dunbar, Matt T. Heizler, Kelly Donahue (2000): Geology and mineral deposits of the Victorio mining district, Luna County , New Mexico- Preliominary observations, New Mexico Geologic Society Guidebook, 51st field Conference, Southwest passage – A trip through the Phanerozoic, pp267-278; Robert E Walstrom (2015) Skarn Minerals of the Victorio Mountains, Luna County, New Mexico. 36th Annual New Mexico Mineral Symposium p 34
Robert E. Walstrom Collection
Minerals of New Mexico 3rd ed.
          • Mine Hill
NMBGMR Open-file Report OF-459
USGS Map I-1310-B Mineral Deposit Map Silver City 1x2 Quad
Min Rec 20:1 p57
          • Victorio group
Robert E. Walstrom collection
Robert E. Walstrom Collection
Robert E. Wastrom collection
    • Sierra Co.
Min Rec 20:1 p60; USGS Bull 945C
        • Discovery Gulch
USGS Bull 945C
USGS Bull 945C
USGS Bull 945C
USGS Bull 945C
    • Socorro Co.
U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
USGS Bull 945C
  • North Carolina
    • Cleveland Co.
      • Kings Mountain Mining District
Rocks and Minerals, (1985) 60:76-82
  • Texas
    • Hudspeth Co.
      • Quitman Mountains
R&M 66:3 pp 196-224
  • Utah
AmMin 47:395
      • Mineral Mts (Mineral Range)
        • Granite Mining District (North Granite Mining District)
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Star Range
        • Star and North Star Mining Districts
Peter Dunn (1976) Genthelvite and the helvine group. Mineralogical Magazine, 40:627-636
    • Piute Co.
      • Cottonwood Creek
        • Mount Baldy Mining District
In the collection of Brent Thorne. Acquired from Jason Smith.
  • Virginia
    • Amelia Co.
      • Amelia (Amelia Court House)
Rocks & Min.: 60: 165.; Am Min 53:2110; Pegau, A. A. (1932). Pegmatite deposits of Virginia. Virginia Geological Survey Bulletin No. 33.; Lumpkin, G. R. (1998). Rare-element mineralogy and internal evolution of the Rutherford# 2 Pegmatite, Amelia County, Virginia; a classic locality revisited. The Canadian Mineralogist, 36(2), 339-353.
      • Winterham
Rocks & Min.: 8:143-144.
    • Amherst Co.
Minerals of Virginia, 1990 by R. V. Dietrich
    • Hanover Co.
Minerals of Virginia, 1990 by R. V. Dietrich
  • Wisconsin
    • Florence Co.
      • Fern
        • Pine River pegmatites
Falster, A. , W.B. Simmons & P.B. Moore (1996) The mineralogy and geochemistry of the Animikie Red Ace pegmatite in Florence County, Wisconsin: Recent Research Developments in Mineralogy: 1: 7-67.
Zimbabwe
 
  • Harare
Mineralogical Magazine 1959 32 : 87-89
 
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