[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions] Dan Weinrich Fine Minerals Full-time professional mineral dealer with over 31 years experience in mineral collecting And 15 years selling mineral specimens on the internet and at major mineral shows General Cerotungstite-(Ce) Information(Ce,REE)W2O6(OH)3 |
Molecular Weight = 655.80 gm |
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Cerium 16.02 % Ce 18.77 % Ce2O3 |
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La,Ce,Pr,Nd,Sm, 5.49 % RE 6.40 % REE2O3 |
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Hydrogen 0.46 % H 4.12 % H2O |
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Tungsten 56.07 % W 70.71 % WO3 |
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Oxygen 21.96 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Ce0.75REE0.25W2O6(OH)3 |
In oxidized tungsten deposits. |
Approved IMA 1970 |
Kirwa and Nyamulilo mines, Kigezi district, Uganda. Link to MinDat.org Location Data. |
Named for the composition. |
| | Cerotungstite-(Ce) Image
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Cerotungstite-(Ce) Crystallographya:b:c =0.8126:1:0.6751 |
a = 7.07, b = 8.7, c = 5.874, Z = 2; beta = 105.45° V = 348.25 Den(Calc)= 6.25 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m |
By Intensity(I/Io): 3.41(1), 2.27(0.5), 6.83(0.4),1.767(0.2), 2.63(0.2), 3.34(0.2), |
| Physical Properties of Cerotungstite-(Ce){100} Perfect |
Yellow orange, Orange yellow. |
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
1 - Talc |
yellow |
| Optical Properties of Cerotungstite-(Ce) CI calc= 0.104 (Poor) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.1525,KC= 0.1703 Ncalc = 2.06 Biaxial (+/-), a=1.89, b=1.95, g=2.02, bire=0.1300 |
| Calculated Properties of Cerotungstite-(Ce)Bulk Density (Electron Density)=5.37 gm/cc |
note: Specific Gravity of Cerotungstite-(Ce) =6.25 gm/cc. Fermion Index = 0.09 |
Boson Index = 0.91 PECerotungstite-(Ce) = 826.38 barns/electron |
U=PECerotungstite-(Ce) x relectron=4,437.91 barns/cc. |
GRapi = 19,735.86 (Gamma Ray American Petroleum Institute Units)
Cerotungstite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Cerotungstite-(Ce) in grams (gm) and Calculated Diameter of a Sphere with a Density of 6.25 gm/cc.* | Cerotungstite-(Ce) Classification49.03.03.01 (49)Basic and Hydrated Molybdates and Tungstates |
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(49.03)(Hydrated, containing Hydroxyl or Halogen) |
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(49.03.03)Yttrotungstite Group |
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04.FD.20 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.FD -Hydroxides with OH, without H2O; chains of edge-sharing octahedra |
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| Other Cerotungstite-(Ce) InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
Links to other databases for Cerotungstite-(Ce) : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (UofA) 7 - MinDAT 8 - MinMax(Deutsch) 9 - MinMax(English) 10 - Mineralienatlas (Deutsch) 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Cerotungstite-(Ce) using: Visit our Advertisers for Cerotungstite-(Ce) : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals 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 Cerotungstite-(Ce) Mineral Data : Ask about Cerotungstite-(Ce) here : Print or Cut-and-Paste your Cerotungstite-(Ce) Specimen Label here :
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