[Current Minerals] [Order Status] [Policies] [e-Bay Items] B & L Minerals, Fine Mineral specimens for sale for collectors of all levels General Tungstite InformationWO3•(H2O) |
Molecular Weight = 249.86 gm |
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Hydrogen 0.81 % H 7.21 % H2O |
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Tungsten 73.58 % W 92.79 % WO3 |
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Oxygen 25.61 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
WO3•(H2O) |
Secondary mineral derived from the alteration of tungsten minerals. |
Valid Species (Pre-IMA) 1868 |
Trubull, Connecticut. Link to MinDat.org Location Data. |
Named after its composition containig tungsen (Swedish, tung sten = "heavy stone"). |
Tungstite + Pronunciation |
ICSD 201806 |
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PDF 43-679 |
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Tungstite Crystallographya:b:c =0.4977:1:0.4783 |
a = 5.328, b = 10.704, c = 5.12, Z = 4; V = 292.00 Den(Calc)= 5.68 |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pmnb |
By Intensity(I/Io): 3.49(1), 2.56(0.9), 2.68(0.9), |
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Mouse
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| Physical Properties of Tungstite{001} Perfect, {???} Distinct |
Yellow, Yellow green, Yellow green, Light yellow. |
5.5 |
Translucent to subtranslucent |
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite). |
Pulverulent - Forms a loose, poorly-coherent powdery mass. |
2.5 - Finger Nail |
Non-fluorescent. |
Earthy (Dull) |
Nonmagnetic |
yellow |
| Optical Properties of TungstiteCI meas= -0.188 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.15 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2107,KPDmeas= 0.2176,KC= 0.1832 Ncalc = 2.01 - 2.04 Biaxial (-), a=2.09, b=2.24, g=2.26, bire=0.1700 |
| Calculated Properties of TungstiteBulk Density (Electron Density)=4.91 gm/cc |
note: Specific Gravity of Tungstite =5.68 gm/cc. Fermion Index = 0.1 |
Boson Index = 0.9 PETungstite = 918.43 barns/electron |
U=PETungstite x rElectron Density=4,509.66 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Tungstite is Not Radioactive | Tungstite Classification04.05.02.01 (04)Simple Oxides |
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(04.05)with a cation charge of 6+ (A++++++ O3) |
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(04.05.02)Dana Group |
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04.FJ.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FJ -Hydroxides with H2O ± (OH); corner-sharing octahedra |
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| Other Tungstite InformationNAME( Pough60) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) |
Links to other databases for Tungstite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Tungstite using: Visit our Advertisers for Tungstite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Tungstite Mineral Data : Ask about Tungstite here : Print or Cut-and-Paste your Tungstite Specimen Label here :
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