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Doloresite Mineral Data |
General Doloresite Information |
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H8V++++6O16 | ||
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Molecular Weight = 569.70 gm | ||
Vanadium 53.65 % V 87.35 % VO2 | |||
Hydrogen 1.42 % H 12.65 % H2O | |||
Oxygen 44.93 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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H8V4+6O16 | ||
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In relatively unoxidized uraniium-vanadium ores; from the cores of black, concretionary masses high in U-V, surrounding tyuyamunite-bearing sandstone. | ||
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Valid Species (Pre-IMA) 1957 | ||
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La Sal No. 2 mine, Lumsden Canyon, Gateway District, Dolores River, southwestern Colorado, USA. Link to MinDat.org Location Data. | ||
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Named for the locality. | ||
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Doloresite + Pronunciation ![]() |
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ICSD 27541 | ||
PDF 11-368 | |||
Doloresite Image | |||
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Doloresite Crystallography |
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a:b:c =6.5685:1:1.6153 | ||
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a = 19.64, b = 2.99, c = 4.83, Z = 1; beta = 103.9° V = 275.33 Den(Calc)= 3.44 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m | ||
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By Intensity(I/Io): 4.7(1), 2.45(0.5), 3.83(0.5), | ||
Physical Properties of Doloresite |
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{???} Good | ||
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Dark brown, Black. | ||
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3.27 - 3.33, Average = 3.3 | ||
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Opaque | ||
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Fibrous - Thin, elongated fractures produced by crystal forms or intersecting cleavages (e.g. asbestos). | ||
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Botryoidal - "Grape-like" rounded forms (e.g.. malachite). | ||
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Twinning Common - Crystals are usually twinned. | ||
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Sub Metallic | ||
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greenish black | ||
Optical Properties of Doloresite |
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CI meas= 0.294 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.323 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2616,KPDmeas= 0.2727,KC= 0.3863 Ncalc = 2.26 - 2.33 |
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Biaxial (?), b=1.9 | ||
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Strong. | ||
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Gray with color variation along crystals. | ||
Calculated Properties of Doloresite |
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Bulk Density (Electron Density)=3.17 gm/cc note: Specific Gravity of Doloresite =3.30 gm/cc. |
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Fermion Index = 0.0015590712 Boson Index = 0.9984409288 |
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PEDoloresite = 10.26 barns/electron U=PEDoloresite x rElectron Density= 32.57 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Doloresite is Not Radioactive |
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Doloresite Classification |
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47.04.07.01 (47)Vanadium Oxysalts | ||
(47.04)(Hydrated Containing V++++ and V+++++) | |||
(47.04.07)Dana Group | |||
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04.HE.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate | ||
04.H - V[5,6] Vanadates | |||
04.HE -Phyllovanadates | |||
Other Doloresite Information |
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NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) | ||
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Links to other databases for Doloresite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - WWW-MINCRYST Search for Doloresite using: Visit our Advertisers for Doloresite : Ask about Doloresite here : Print or Cut-and-Paste your Doloresite Specimen Label here :
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