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Tilasite

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About TilasiteHide

Daniel Tilas
Formula:
CaMg(AsO4)F
Colour:
Light gray, violet-gray, pinkish red (Långban); olive-green, apple-green (India); colourless or pale green in transmitted light.
Lustre:
Vitreous, Resinous
Hardness:
5
Specific Gravity:
3.75 - 3.79
Crystal System:
Monoclinic
Member of:
Name:
Named in 1895 by Stens Anders Hjalmar Sjögren in honor of Daniel Tilas [March 2, 1712 Gammelbo, Ramsbergs parish, Västmanland, Sweden - October 27, 1772 Stockholm, Sweden], polymath, geologist, mining engineer, vicar of Hammar, director of mines, and regional governor. He was the vice commissioner of the Sweden-Norway Boundary Commission. In 1742, Tilas anticipated aspects of later glacial theories by suggesting that drifting sea ice could be responsible for the distribution of erratic boulders on land. Tilas' grandfather was Urban Hjärne who was a physician and noted chemist and who was also director of the Swedish Chemical Laboratory, president of the Collegium Medicum (medical college), and president of the Board of Mines.

Classification of TilasiteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.BH.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
H : With medium-sized and large cations, (OH,etc.):RO4 = 1:1
41.5.6.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
22.1.29

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride

Physical Properties of TilasiteHide

Vitreous, Resinous
Transparency:
Translucent
Colour:
Light gray, violet-gray, pinkish red (Långban); olive-green, apple-green (India); colourless or pale green in transmitted light.
Hardness:
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {101}, good.
Parting:
On {133}, {102}, and on {011}.
Density:
3.75 - 3.79 g/cm3 (Measured)    3.78 g/cm3 (Calculated)

Optical Data of TilasiteHide

Type:
Biaxial (-)
RI values:
nα = 1.640 nβ = 1.660 nγ = 1.675
2V:
Measured: 83°
Max Birefringence:
δ = 0.035
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v relatively weak

Chemical Properties of TilasiteHide

Formula:
CaMg(AsO4)F

Crystallography of TilasiteHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bb
Cell Parameters:
a = 6.681(2) Å, b = 8.950(2) Å, c = 7.573(2) Å
β = 121.14(2)°
Ratio:
a:b:c = 0.746 : 1 : 0.846
Unit Cell V:
387.58 ų (Calculated from Unit Cell)
Morphology:
Crystals elongated [100] and also flattened on {010} at times; occasionally aggregate into sub-parallel groups. Massive.
Twinning:
On {001}, common as symmetrical contact twins.
Comment:
Non-standard unit-cell (standard cell, with beta <120°: 6.681, 8.950, 7.046 A, 113.10°).

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
5.09 (40)
4.83 (60)
4.49 (60)
3.70 (60)
3.49 (60)
3.26 (100)
3.07 (100)
2.86 (70)
2.69 (100)
2.63 (70)
2.34 (70)
2.27 (80)
1.74 (90)
1.69 (90)
Comments:
ICDD 2-485

Type Occurrence of TilasiteHide

General Appearance of Type Material:
Grains or veinlets in dolomitic limestone bearing Hausmannite.
Associated Minerals at Type Locality:

Synonyms of TilasiteHide

Other Language Names for TilasiteHide

German:Tilasit
Simplified Chinese:氟砷钙镁石
Spanish:Tilasita
Traditional Chinese:氟砷鈣鎂石

Relationship of Tilasite to other SpeciesHide

Member of:
Other Members of this group:
DurangiteNaAl(AsO4)FMon. 2/m : B2/b
IsokiteCaMg(PO4)FMon. 2/m : B2/b
KononoviteNaMg(SO4)FMon. 2/m : B2/b
LacroixiteNaAl(PO4)FMon. 2/m : B2/b
MaxwelliteNaFe3+(AsO4)FMon.
PanasqueiraiteCaMg(PO4)(OH,F)Mon.
Group Members:
Arsenatrotitanite NaTi(AsO4)OMon. 2/m : B2/b

Related Minerals - Nickel-Strunz GroupingHide

8.BH.05ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2Orth. 2 2 2 : C2 2 21
8.BH.10DurangiteNaAl(AsO4)FMon. 2/m : B2/b
8.BH.10IsokiteCaMg(PO4)FMon. 2/m : B2/b
8.BH.10LacroixiteNaAl(PO4)FMon. 2/m : B2/b
8.BH.10MaxwelliteNaFe3+(AsO4)FMon.
8.BH.10PanasqueiraiteCaMg(PO4)(OH,F)Mon.
8.BH.15DrugmanitePb2(Fe3+,Al)(PO4)(PO3OH)(OH)2Mon. 2/m : P21/b
8.BH.20Bjarebyite(Ba,Sr)(Mn2+,Fe2+,Mg)2Al2(PO4)3(OH)3Mon.
8.BH.20CirroliteCa3Al2(PO4)3(OH)3 (?)
8.BH.20KulaniteBa(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3Mon.
8.BH.20PenikisiteBa(Mg,Fe2+,Ca)2Al2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.20PerloffiteBa(Mn2+,Fe2+)2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.20JohntomaiteBaFe2+2Fe3+2(PO4)3(OH)3Mon. 2/m : P21/m
8.BH.25Bertossaite(Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4Orth.
8.BH.25Palermoite(Li,Na)2(Sr,Ca)Al4(PO4)4(OH)4Orth.
8.BH.30CarminitePbFe3+2(AsO4)2(OH)2Orth. mmm (2/m 2/m 2/m) : Cccm
8.BH.30SewarditeCaFe3+2(AsO4)2(OH)2Orth. mmm (2/m 2/m 2/m) : Cccm
8.BH.35AdeliteCaMg(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35ArsendescloizitePbZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35AustiniteCaZn(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35CobaltaustiniteCaCo(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35ConichalciteCaCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35DuftitePbCu(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35GabrielsonitePbFe3+(As3+O3)OOrth. mm2 : Pmc21
8.BH.35NickelaustiniteCaNi(AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35TangeiteCaCu(VO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35GottlobiteCaMg(VO4,AsO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.35HermannroseiteCaCu(PO4)(OH)Orth. 2 2 2 : P21 21 21
8.BH.40ČechitePbFe2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m)
8.BH.40DescloizitePbZn(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.40MottramitePbCu(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.40PyrobelonitePbMn2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BH.45BayldonitePbCu3(AsO4)2(OH)2Mon. 2/m : B2/b
8.BH.45VésigniéiteBaCu3(VO4)2(OH)2Mon. 2/m : B2/m
8.BH.50PaganoiteNiBi(AsO4)OTric.
8.BH.55JagoweriteBaAl2(PO4)2(OH)2Tric.
8.BH.60Attakolite(Ca,Sr)Mn(Al,Fe)4(HPO4,PO4)3(SiO4,PO4)(OH)4Mon. 2/m : B2/m
8.BH.65LeningraditePbCu3(VO4)2ClOrth. mmm (2/m 2/m 2/m) : Ibam

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

41.5.6.2IsokiteCaMg(PO4)FMon. 2/m : B2/b
41.5.6.3PanasqueiraiteCaMg(PO4)(OH,F)Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.1.1AmblygoniteLiAl(PO4)FTric. 1 : P1
22.1.2LacroixiteNaAl(PO4)FMon. 2/m : B2/b
22.1.3NatrophosphateNa7(PO4)2F · 19H2OIso. m3m (4/m 3 2/m) : Fd3c
22.1.5NacaphiteNa2Ca(PO4)FMon. 2/m : P21/b
22.1.6ArctiteNa2Ca4(PO4)3FTrig. 3m (3 2/m) : R3m
22.1.7NefedoviteNa5Ca4(PO4)4FTric.
22.1.9FluorapatiteCa5(PO4)3FHex. 6/m : P63/m
22.1.10HerderiteCaBePO4(F,OH)Mon. 2/m
22.1.11IsokiteCaMg(PO4)FMon. 2/m : B2/b
22.1.12PanasqueiraiteCaMg(PO4)(OH,F)Mon.
22.1.13BabefphiteBaBePO4(F,OH)Tet.
22.1.14FluelliteAl2(PO4)F2(OH) · 7H2OOrth. mmm (2/m 2/m 2/m) : Fddd
22.1.15MinyuliteKAl2(PO4)2(OH,F) · 4H2OOrth. mm2 : Pba2
22.1.16MoriniteNaCa2Al2(PO4)2(OH)F4 · 2H2OMon. 2/m
22.1.17BøggilditeNa2Sr2Al2PO4F9Mon.
22.1.18FluorstrophiteSrCaSr3(PO4)3FHex. 6/m : P63/m
22.1.19ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon.
22.1.20VäyryneniteMn2+Be(PO4)(OH,F)Mon. 2/m : P21/b
22.1.21MaxwelliteNaFe3+(AsO4)FMon.
22.1.22Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b
22.1.23Triplite(Mn2+,Fe2+)2(PO4)(F,OH)Mon. 2/m
22.1.24Magniotriplite(Mg,Fe2+,Mn2+)2PO4FMon.
22.1.25Zwieselite(Fe2+,Mn2+)2(PO4)FMon. 2/m : P21/b
22.1.26McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
22.1.27RichelliteCaFe3+2(PO4)2(OH,F)2Amor.
22.1.28SvabiteCa5(AsO4)3FHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
22.1.30Johnbaumite-MCa5(AsO4)3OHMon. 2/m : P21/m
22.1.31DurangiteNaAl(AsO4)FMon. 2/m : B2/b

Other InformationHide

Notes:
Easily soluble in HCl or HNo3.
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 TilasiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sjögren, H. (1895) Preliminära meddelanden om några undersökningar på svenska mineral. 4. Tilasit eller fluor-adelit från Långban. Geologiska Föreningens i Stockholm Förhandlingar, 17, 291-294. [Described as Fluor-adelite and given the name Tilasite in this paper]
Smith, G.F.H., Prior, G.T. (1911) On fermorite, a new arsenate and phosphate of lime and strontia, and tilasite, from the manganese-ore deposits of India. Mineralogical Magazine: 16: 84-96.
Aminoff (1923) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 45: 144.
Aminoff (1933) Kungl. Svenska Vetenskap. Handl.: 11, no. 4: 28.
Strunz (1937) Zeitschrift für Kristallographie, Mineralogie und Petrographie: 96: 7.
Kokkoros (1938) Zeitschrift für Kristallographie, Mineralogie und Petrographie: 99: 38.
Strunz (1938) Zentralblatt Mineralien: 59.
Palache, C., Berman, H., Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 827.
Bladh, K.W., Corbett, R.K., McLean, W.J., Laughton, R.B. (1972) The crystal structure of tilasite. American Mineralogist: 57: 1880-1884.
Bermanec, V. (1994) Centro-symmetric tilasite from Nezilovo, Macedonia: a crystal structure refinement. Neues Jahrbuch für Mineralogie, Monatshefte: 1994: 289-294.

Internet Links for TilasiteHide

Localities for TilasiteHide

ⓘ - 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.
Algeria
 
  • Skikda Province
    • Azzaba area
Heflik W., 1989: Symplectic intergrowths in vulcanites from the Djebel Guettara manganese deposit (Northern Algeria). Mineralogia Polonica, vol. 20(2), 11-28
Australia
 
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Leigh Creek
          • Puttapa
Elliott, P. (1991): Minerals from the Beltana mine, Puttapa, South Australia. Mineralogical Record 22, 449-456.
Austria
 
  • Tyrol
    • East Tyrol
      • Kals valley
        • Ködnitz valley
Schachinger, T., Bernhard, F., Walter, F. & Bojar, H.-P. (2016): 1970) Tilasit und weitere neu bestimmte Minerale von der Huteralm im Ködnitztal bei Kals am Großglockner. Pp. 216-217 in Walter, F. et al. (2016): Neue Mineralfunde aus Österreich LXV. Carinthia II, 206./126., 203-250.
    • North Tyrol
      • Sill valley (Wipp valley)
        • Navis valley
          • Navis
BRANDSTÄTTER, F., GRILL, J., NIEDERMAYR, G. & WALTER, F. (2015): 1927) Bementit, Bixbyit, Kutnohorit, Manganberzeliit, Tilasit, Tiragalloit, Todorokit und andere Mineralien von Navis, Tirol. Pp. 232-234 in NIEDERMAYR, G. et al. (2015): Neue Mineralfunde aus Österreich LIX. Carinthia II, 205./125., 207-280.
        • Obernberg valley
Kolitsch, U., Schachinger, T. & Auer, C. (2018): 2076) Aegirin, Aegirin-Augit, Albit, Baddeleyit, Baryt, Brandtit(?), Braunit, Calcit, Canosioit, Clinosuenoit (ehemals „Manganocummingtonit“), Coelestin, Diaspor, Dolomit, Fluorapatit (As-haltig), Fluorcalcioroméit, Gamagarit, Hämatit, Hausmannit, Hjalmarit, Hollandit, Hydroxycalcioroméit, Klinochlor, Kutnohorit, Mischkristalle Manganiandrosit-(La) - Manganiakasakait-(La), Nambulit, Phlogopit, Piemontit, Pyrobelonit, Sb-haltiger Pyrophanit, Quarz, Ranciéit(?), Rhodochrosit, Rhodonit, Richterit, Rutil, Spessartin, Talk, Thorit, Tremolit, Tilasit, Titanit, Tokyoit, Wakefieldit-(Ce), Wakefieldit-(Y), Zirkon, das Sb-Analogon von Hydroxymanganopyrochlor und unbenanntes LaAsO4 vom Obernberger Tribulaun, Nordtirol - ein erster Bericht über mineralogisch komplexe, linsenförmige metamorphe Manganvererzungen. Pp. 206-213 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
Germany
 
  • Bavaria
    • Franconia
      • Spessart
        • Hösbach
          • Sailauf
            • Hartkoppe
No reference listed
India
 
  • Madhya Pradesh
    • Jhabua District
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 829.
Italy
 
  • Aosta Valley
    • Nus
      • Saint-Barthélemy
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Liguria
    • La Spezia Province
      • Rocchetta Vara
Balestra, C., Kolitsch, U., Blass, G., Callegari, A.M., Boiocchi, M., Armellino, G., Ciriotti, M.E., Ambrino, P., Bracco, R. (2009): Mineralogia ligure 2007-2008: novità caratterizzate dal Servizio UK dell’AMI. Micro (UK report), 1/2009, 78-99.
  • Piedmont
    • Cuneo Province
      • Corsaglia Valley
        • Montaldo di Mondovì
          • Borgata Oberti
Kolitsch, U., Ciriotti, M.E., Cadoni, M., Armellino, G., Piccoli, G.C., Ambrino, P., Blass, G., Odicino, G., Ciuffardi, M. (2011): Montaldo di Mondovì Minerali della miniera di manganese e ferro. Micro, 9, 4-21.
      • Maira Valley
        • Canosio
          • Vallone della Valletta
Cámara, F., Ciriotti, M.E., Bittarello, E., Nestola, F., Massimi, F., Radica, F., Costa, E., Benna, P., Piccoli, G.C. (2014): Arsenic-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: I. Grandaite, Sr2Al(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 78, 3, 757-774; Cámara, F., Bittarello, E., Ciriotti, M.E., Nestola, F., Radica, F., Massimi, F., Balestra, C., Bracco, R. (2017a): As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: III. Canosioite, Ba2Fe3+(AsO4)2(OH), description and crystal structure. Mineralogical Magazine, 81, 305–317; Cámara, F., Biagioni, C., Ciriotti, M.E., Bosi, F., Kolitsch, U., Paar, W.H., Blass, G., Bittarello, E. (2017c) Piccoliite, a new mineral of the pilawite group. Congresso SIMP-SGI-SOGEI-AIV 2017, Pisa, 3-6 settembre 2017, Abstract book, page 120; http://www.socgeol.it/files/download/abstract%20book/abstract_book_pisa_2017_doi.pdf
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Antigorio Valley
          • Devero Valley
            • Baceno
              • Devero Alp
Graeser S, Rggiani A. G., 1978 - Tilasite del Pizzo Cervandone (Valle devero-Ossola) una specie minerale nuova per l'Italia - Rendiconti S.I.M.P., Milano, vol. 34, (I), pp. 51-53 and Boscardin. M - Informazioni di mineralogia Italiana - 76) Tilasite del M. Cervandone (Ossola) - Rivista Mineralogica Italiana, Milano, Vol. 9, fasc. 4, pag. 87 - 1978 and http://www.webmineralshop.com/ Cervandone article& personal collection
Albertini C. (1991): L'Alpe Devero ed i suoi minerali. Edizioni Grafica P.G.A., Dormelletto (Novara), 299 pp.; Piccoli G.C., Maletto G., Bosio P., Lombardo B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.; Appiani R., Guastoni A. (2009): Monte Cervandone. Galleria fotografica. Riv. Mineral. Ital., 33, 1 (1-2009), 50-55.
Namibia
 
  • Oshikoto Region (Otjikoto Region)
    • Tsumeb
NHM (London) Collections, analysis by XRD and EDX - M.Rumsey 2006
Republic of Macedonia
 
  • Veles
Neues Jahrbuch für Mineralogie, Monatshefte (1994), 289-94; Canadian Mineralogist (1996): 34: 1287-1297.
      • Jakupica Mts
        • Babuna Valley
Chukanov, Nikita V., Jančev, Simeon., Pekov, Igor V. (2015): The association of Oxygen-bearing minerals of the chalcophile elements in the orogenetic zone related to the “mixed series” complex near Nežilovo, Republic of Macedonia. Macedonian Journal of Chemistry and Chemical Engineering, Vol. 34, No. 1, pp. 115–124
Russia
 
  • Altai Republic (Gorno-Altayskaya Autonomous Oblast')
    • Ust'-Koksa district
Vera N. Smol'yaninova data
  • Kamchatka Oblast'
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
          • Second scoria cone
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Lykova, I.S., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Yu. (2014): New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. I. Yurmarinite, Na7(Fe3+,Mg,Cu)4(AsO4)6. Mineralogical Magazine, 78, 905-917
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Krasnotur'insk (Bogolovsk; Krasnoturjinsk; Krasnoturyinsk)
          • Turya river
            • Tur'insk
Kasatkin, A.V., Makovicky, E., Plášil, J., Škoda, R., Agakhanov, A.A, Karpenko, V.Y. and Nestola, F. (2018) Tsygankoite, Mn8Tl8Hg2(Sb21Pb2Tl)S24S48, a New Sulfosalt from the Vorontsovskoe Gold Deposit, Northern Urals, Russia. Minerals: 8(5): 218.
Sweden (TL)
 
  • Värmland
    • Filipstad
Sjögren, H. (1895): Preliminära meddelanden om några undersökningar på svenska mineral. 4. Tilasit eller fluor-adelit från Långban. Geologiska Föreningens i Stockholm Förhandlingar, 17, 291-294; Rocks & Min.: 60:243; 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.
      • Nordmark district
        • Jakobsberg ore field
K.Gatedal
      • Nordmark Odal Field (Nordmarksberg)
Mineralogical Magazine (1998) 62 (3), 395-407; Mineralogical Magazine (1998) 62 (3), 395-407
      • Persberg district
        • Pajsberg
Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
  • Västmanland
    • Hällefors
      • Grythyttan
Holtstam, D. (2001): W and V mineralization in Långban-type Fe-Mn deposits: Epigenetic or Syngenetic? Geologiske Föreningen i Stockholm Förhandlingar 123: 29-33
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Albula Valley
      • Oberhalbstein (Surses; Sursass)
        • Tinizong (Tinzen)
Mineralogical Record: 32: 211.; Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 360.
    • Hinterrhein Valley
      • Ferrera Valley
        • Starlera Valley
Brugger et al (2002), Canadian Mineralogist: 40(6): 1597-1608.
  • Wallis (Valais)
    • Binn Valley
      • Kriegalp Valley (Chriegalp Valley)
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 403.
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:69
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 312.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 188, 396; Williams, S.A. (1970b), Tilasite from Bisbee, AZ, Min.Rec.: 1: 68-69; Bladh, K.W., et al (1972), The crystal structure of tilasite, Am.Min.: 57: 1880-1884.
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Ogdensburg
          • Sterling Hill
Parker, F. J. (1978): Mineralogical Record: 9: 385-386; Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world’s most magnificent mineral deposits, part: 5 : 683.
  • New Mexico
    • Sierra Co.
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
Minerals of New Mexico 3rd ed.
Mineral and/or Locality  
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