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Elpidite

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Formula:
Na2ZrSi6O15 · 3H2O
Colour:
Colorless, white, gray, yellowish, orange, brown, beige
Lustre:
Vitreous, Waxy, Silky, Dull
Hardness:
5
Specific Gravity:
2.52 - 2.62
Crystal System:
Orthorhombic
Name:
The name derives from the Greek word for hope, representing the hope that other interesting minerals would be found at the type locality.
Dimorph of:
This page provides mineralogical data about Elpidite.


Hide all sections | Show all sections

Classification of ElpiditeHide

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1894
9.DG.65

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
72.5.4.2

72 : PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
5 : Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with corrugated and complex layers
14.10.9

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Pronounciation of ElpiditeHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of ElpiditeHide

Vitreous, Waxy, Silky, Dull
Transparency:
Transparent, Translucent, Opaque
Colour:
Colorless, white, gray, yellowish, orange, brown, beige
Hardness:
Cleavage:
Perfect
On {110}
Fracture:
Splintery
Density:
2.52 - 2.62 g/cm3 (Measured)    2.59 g/cm3 (Calculated)

Optical Data of ElpiditeHide

Type:
Biaxial (+)
RI values:
nα = 1.560 nβ = 1.565 - 1.569 nγ = 1.574
Max Birefringence:
δ = 0.014
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v moderate

Chemical Properties of ElpiditeHide

Formula:
Na2ZrSi6O15 · 3H2O
Common Impurities:
Ti,Nb,Ca,K,F,Cl

Crystallography of ElpiditeHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 7.29 Å, b = 14.3 Å, c = 7.03 Å
Ratio:
a:b:c = 0.51 : 1 : 0.492
Unit Cell V:
732.86 ų (Calculated from Unit Cell)

Crystallographic forms of ElpiditeHide

Crystal Atlas:
Image Loading
Click on an icon to view
Elpidite no.3 - Goldschmidt (1913-1926)
Elpidite no.5 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

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Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation

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.

Type Occurrence of ElpiditeHide

Place of Conservation of Type Material:
University of Copenhagen, Copenhagen, Denmark.
Reference:
Lindström, G. (1894) Elpidit, ett nytt mineral från Igaliko, Geologiska Föreningens i Stockholm Förhandlingar: 16: 330-335.

Other Language Names for ElpiditeHide

Varieties of ElpiditeHide

Calcian ElpiditeHigh-temperature elpidite of magmatic origin typical for agpaitic granites. Usually enriched in Ca; has orange colour in difference from secondary hydrothermal low-temperature secondary elpidites from nepheline-syenites.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Albite43 photos of Elpidite associated with Albite on mindat.org.
Rhodochrosite40 photos of Elpidite associated with Rhodochrosite on mindat.org.
Aegirine20 photos of Elpidite associated with Aegirine on mindat.org.
Pyrite15 photos of Elpidite associated with Pyrite on mindat.org.
Nenadkevichite10 photos of Elpidite associated with Nenadkevichite on mindat.org.
Leifite9 photos of Elpidite associated with Leifite on mindat.org.
Quartz9 photos of Elpidite associated with Quartz on mindat.org.
Caryochroite7 photos of Elpidite associated with Caryochroite on mindat.org.
Neighborite4 photos of Elpidite associated with Neighborite on mindat.org.
Lorenzenite3 photos of Elpidite associated with Lorenzenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric.
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCaSiO3Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric.
9.DG.07CascanditeCa(Sc,Fe3+)(HSi3O9)Tric.
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O]·(Ca·5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10Tobermorite[Ca4Si6O17 · 2H2O]·(Ca·3H2O)Orth.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric.
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric.
9.DG.25ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
9.DG.25UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.55EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric.
9.DG.70LitidioniteCuNaKSi4O10Tric.
9.DG.70ManaksiteKNaMnSi4O10Tric.
9.DG.75TinaksiteK2Na(Ca,Mn2+)2Ti[O|Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2Ti[O|Si7O18(OH)]Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric.
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Orth.
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

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

72.5.4.1ArmstrongiteCaZr[Si6O15] · 3H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.3ZektzeriteLiNaZrSi6O15Orth.
14.10.4ParakeldyshiteNa2ZrSi2O7Tric.
14.10.5VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.12KhibinskiteK2ZrSi2O7Mon.
14.10.13WadeiteK2Zr(Si3O9)Hex.
14.10.14DalyiteK2ZrSi6O15Tric.
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.19GittinsiteCaZrSi2O7Mon.
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.23Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m : B2/b
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2Mon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeK(Na,◻,K)2(Li,Zn,Fe)3(Mn,Zr,Y)2[Si12O30]Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.30BaziriteBaZr(Si3O9)Hex.
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

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 ElpiditeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Lindström, G. (1894) Elpidit, ett nytt mineral från Igaliko, Geologiska Föreningens i Stockholm Förhandlingar: 16: 330-335.
Neronova, N.N., Belov, N.V. (1964) Crystal structure of elpidite, Na2Zr[Si6O15]·3H2O. Soviet Physics - Crystallography: 9: 700-705.
Cannillo, E., Rossi, G., Ungaretti, L. (1973) The crystal structure of elpidite. American Mineralogist: 58: 106-109.
Sapozhnikov, A.N., Kashaev, A.A. (1978) Features of the crystal structure of calcium-containing elpidite. Kristallografiya (Sov. Phys. Crystal.): 23: 52-65. (in Russian)
Currie, K.L., Zaleski, E. (1985) The relative stability of elpidite and vlasovite: a P-T indicator for peralkaline rocks. The Canadian Mineralogist: 23: 577-582.
Grigor’eva, A.A., Zubkova, N.V., Pekov, I.V., Kolitsch, U., Pushcharovsky, D.Yu., Vigasina, M.F., Giester, G., Dordević, T., Tillmanns, E., Chukanov, N.V. (2011) Crystal chemistry of elpidite from Khan Bogdo (Mongolia) and its K- and Rb-exchanged forms. Crystallography Reports: 56: 832-841.
Merlino, S., Bonaccorsi, E. (2008) Double wollastonite chains: topological/conformational varieties, polytypic forms, isotypic compounds. Zeitschrift für Kristallographie: 223: 85-97.
Grice, J.D., Rowe, R., Poirier, G. (2015) Hydroterskite: A new mineral species from the Saint-Amable Sill, Quebec, and a comparison with terskite and elpidite. The Canadian Mineralogist: 53: 821-832.
Cametti, G., Armbruster, T., Nagashima, M. (2016) Dehydration and thermal stability of elpidite: An in-situ single crystal X-ray diffraction study. Microporous And Mesoporous Materials: 227: 81-87.

Internet Links for ElpiditeHide

Localities for ElpiditeHide

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.
Canada
 
  • Ontario
    • Thunder Bay District
McLaughlin (1990)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y. (1967), Leucophanite, elpidite, narsarsukite from the Desourdy quarry, Mont St. Hilaire, Quebec. Canadian Mineralogist: 9: 286-87; Henderson, W. (1979), Oriented overgrowth of labuntsovite on elpidite from Mont St.-Hilaire, Quebec, Canada. Mineralogical Record: 10: 970; Falls R.B.(1983), Elpidite and narsarsukite from Mont Saint-Hilaire, Quebec. B.S. Thesis, University of Toronto, Canada.
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
    • Montréal
TARASSOFF, P., HORVÁTH, L. and PFENNINGER-HORVÁTH, E. (2006) Famous mineral localities: the Francon quarry, Montréal, Québec. Mineralogical Record, 37, 5-60.
      • Montréal-Est
Canadian Museum of Nature collection
  • Québec & Newfoundland and Labrador
BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.; BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.
Greenland (TL)
 
  • Kujalleq
    • Narsaq
      • Igaliku (Igaliko)
        • Narsaarsuk Plateau
Lindström G (1894) Elpidit, ett nytt mineral från Igaliko, Geologiska Föreningens i Stockholm Förhandlingar, 16, 330-335; Bøgghild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Bd. 149. Nr. 3., C.A. Reitzels Forlag, Copenhagen. 445 p. (p.243)
[Mineralogical Record - Vol 24 No 2]; Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
Mineev D.A. (1968) Geochemistry of apogranites and rare-metal metasomatites of North-Western Tarbagatai, - Moscow, Nauka, 276p. (in Rus.)
Malawi
 
  • Zomba District
No reference listed
Mongolia
 
  • Gobi Desert
Vladykin N.V., Kovalenko V.I., Dorfman M.D. (1981) Mineralogical and geochemical pecularities of Khan Bogdo massif of an alkaline granites (MPR), - Moscow, Nauka, p. 136 (in Rus.); Kynicky, J., Chakhmouradian, A.R., Xu, C., Krmicek & Galilova, M. (2011): Distribution and evolution of zirconium mineralization in peralkaline granites and associated pegmatites of the Khan Bogd Complex, southern Mongolia. Canadian Mineralogist. 49, 947-965.; J Kynický, C Xu, J Mašek, O Jaroš, H Káňová (2009) Arfvedsonite pegmatites of Khan Bogd massif, Mongolia: Zr mineralization. pp222-224 in Czech
Jindřich Kynický
  • Hovd Aimag (Khovd Aimag)
    • Altai Mts
Kovalenko V.I., Tsaryeva G.M., Goreglyad A.V., Yarmolyuk V.V., Troitsky V.A., Hervig R.L., Farmer, G.L., (1995) The peralkaline granite-related Khaldzan-Buregtey rare metal (Zr, Nb, REE) deposit, western Mongolia - ECONOMIC GEOLOGY, v. 90, p. 530–547.
Kovalenko, V. I., Tsaryeva, G. M., Goreglyad, A. V., Yarmolyuk, V. V., Troitsky, V. A., Hervig, R. L., & Farmer, G. (1995). The peralkaline granite-related Khaldzan-Buregtey rare metal (Zr, Nb, REE) deposit, western Mongolia. Economic Geology, 90(3), 530-547.
Morocco
 
  • Béni Mellal-Khénifra Region
    • Khénifra Province
      • Tamazeght Mountain Range
Khadem Allah, B. (1993)
Norway
 
  • Oppland
    • Lunner
      • Nordmarka
Am Min 90:1227; Raade, G. & Haug, J.(1982): Gjerdingen. Fundstelle seltener Mineralien in Norwegen. LAPIS 7, 9-15
  • Vestfold
    • Larvik
      • Hedrum
Larsen, K. E. & Andersen, F. (2009): Mineralforekomster i den østlige delen av Siljan-Hvarnes plutonkompleks, sørvestre Vestfold. Norsk Bergverksmuseums Skrift, 41: 54-63
      • Stavern (Fredriksvärn)
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
    • Sandefjord
      • Østerøya
Berge, S. A. & Andersen, F. (2002): Mineralforekomster i Sandefjordområdet. Norsk Bergverksmuseums Skrift. 20, 50-59
      • Vesterøya
Berge, S.A., Larsen, K.E. & Andersen, F. (2011): Buer, Vesterøya, Sandefjord- en typelokalitet for et nytt mineral. Norsk Bergverksmuseum Skrift. 46: 49-56
Svein a. Berge collection; Larsen, K. E. (2015). Noen funn av mineraler i Norge 2013-2015. Norsk Mineralsymposium 2015, 79-88.
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71; Berge, S. A. (2013):Mineralene i Husebyyåsen feltspatbrudd, Vesterøya, Sandefjord. Norsk Bergverksmuseum Skrifter. 50, 93-99
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
Raade, G & Larsen, A. O. (1980): Polylithionite from syenite pegmatite at Vøra, Sandefjord, Oslo Region, Norway. Contributions to the Mineralogy of Norway, no 65. Norsk Geologisk Tidskrift 60, 117-124
    • Tjøme
      • Færder
Andersen, F. (2017): Pegmatittganger og mineraler på Hoftøya og Langøya ved Færder i Ytre Vestfold. Norsk Mineralsymposium 2017: 69-75
Portugal
 
  • Azores District
    • São Miguel Island
      • Água de Pau Massif
Samples collected by Luigi Chiappino and analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Aldan Shield
        • Chara and Tokko Rivers Confluence
[Lapis 1993:4 p.13-20]
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Kukisvumchorr Mt
          • Kirovskii apatite mine (Kirovsky Mine; Kirovskii Mine; Kirov Mine)
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
Хомяков А.П., Курова Т.Ф., Шумяцкая Р.Г. и др. (1981) О новом цирконосиликате Na5Zr2[Si6O18]Clx2H2O и его кристаллической структуре,- ДАН СССРб т.257, №3, с. 622-624.
      • Lovozero Massif
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Kartashov, P.M., Ferraris, G., Soboleva, S.V., Chukanov, N.V. (2006): Caryochroite, a new heterophyllosilicate mineral species related to nafertisite from the Lovozero massif (Kola Peninsula, Russia). Canadian Mineralogist, 44, 1331-1339
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov I V, Chukanov N V, Khomyakov A P, Rastsvetaeva R K, Kucherinenko Y V, Nedel'ko V V (1999) Korobitsynite, Na3-x(Ti,Nb)2[Si4O12](OH,O)2·3-4H2O, a new mineral from Lovozero massif, Kola Peninsula, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 128, issue 3 72-79; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
[AmMin 85:1322]; Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
New Data on Minerals M., 2004 Vol 39 pp 5-13; Pekov, I. V., Chukanov, N. V., Yamnova, N. A., Zadov, A. E., & Tarassoff, P. (2007). Gjerdingenite-Na and gjerdingenite-Ca, two new mineral species of the labuntsovite group. The Canadian Mineralogist, 45(3), 529-539
        • Kuftn'yun Mt
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
[World of Stones 95:5-6, p64]
UK
 
  • Scotland
    • Outer Hebrides
Sabine, P.A. (196O), Bull. geol. Surv. Gt. Britain, 16, 167-8. [Confirms an earlier record by Lacroix (1921)]; Young, B.R., Hawkes, J.R., Merriman, R.J. and Styles, M.T. (1978) Bazirite, BaZrSi3O9, a New Mineral from Rockall Island, Inverness-shire, Scotland. Mineralogical Magazine, vol. 42, n° 321, 35-40.; Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.
USA
 
  • Arkansas
    • Hot Spring Co.
      • Magnet Cove
Rocks & Min.:63:109.
Henry Barwood - unpublished (2010)
  • New Mexico
    • Otero Co.
      • Cornudas Mts
Michael C. Michayluk collection
Minerals of New Mexico 3rd ed.
  • North Carolina
Smithsonian Institution Mineral Reference Collection No.M6264-00
  • Utah
    • Uintah Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Uteland Knoll District (Ouray District)
        • Ouray
Min Rec 8:5 p369
  • Washington
    • Okanogan Co.
      • Golden Horn Batholith
Micro Probe Volume VI Number 8; Rocks and Minerals, 66:6, p. 454
  • Wyoming
    • Sweetwater Co.
MILTON, C. (1977): Mineralogy of the Green River Formation. Mineralogical Record 8, 368-379.
Mineral and/or Locality  
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