[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Magnesiopascoite InformationCa2Mg[V10O28]•16H2O |
Molecular Weight = 1,341.11 gm |
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Calcium 5.29 % Ca 7.40 % CaO |
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Magnesium 1.54 % Mg 2.55 % MgO |
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Vanadium 37.98 % V 67.81 % V2O5 |
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Zinc 0.20 % Zn 0.24 % ZnO |
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Cobalt 0.04 % Co 0.06 % CoO |
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Hydrogen 2.45 % H 21.94 % H2O |
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Oxygen 52.49 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Ca1.77Mg0.85Zn0.04Co0.01(H2O)15.34(H3O)0.66V5+10O28 |
Formed from post-mining leaching and oxidation of V-U oxide-replacement assemblage developed at the expense of organic material. Pascoite group. |
Approved IMA 2007 (Dana # Added) |
Blue Cap mine, about 15 km east of La Sal, San Juan Co., Utah, USA Link to MinDat.org Location Data. |
Named as the Mg analogue of pascoite |
IMA2007-025 |
| | Magnesiopascoite Image
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Magnesiopascoite Crystallographya:b:c =1.9973:1:1.0784 |
a = 19.8442, b = 9.9353, c = 10.7149, Z = 2; beta = 120.305° V = 1,823.86 Den(Calc)= 2.44 |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
By Intensity(I/Io): 8.571(1), 7.27(0.4), 8.872(0.3),2.137(0.2), 9.242(0.2), 4.355(0.15), 4.59(0.15), 5.477(0.15), |
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Mouse
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| Physical Properties of Magnesiopascoite{001} Perfect |
Bright orange. |
2.43 |
Transparent |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Blocky - Crystal shape tends to be equant (e.g. feldspars). |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
2.5 - Finger Nail |
Adamantine |
yellow |
| Optical Properties of MagnesiopascoiteCI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.004 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3249,KPDmeas= 0.3262,KC= 0.3263 Ncalc = 1.79 - 1.8 Biaxial (-), a=1.769, b=1.802, g=1.807, bire=0.0380, 2V(Calc)=40, 2V(Meas)=45. Dispersion r < v crossed. |
| Calculated Properties of MagnesiopascoiteBulk Density (Electron Density)=2.40 gm/cc |
note: Specific Gravity of Magnesiopascoite =2.43 gm/cc. Fermion Index = 0.0028970877 |
Boson Index = 0.9971029123 PEMagnesiopascoite = 7.96 barns/electron |
U=PEMagnesiopascoite x rElectron Density= 19.08 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Magnesiopascoite is Not Radioactive | Magnesiopascoite Classification47.02.01.02 (47)Vanadium Oxysalts |
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(47.02)(VmOn) |
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(47.02.01)Pascoite Group |
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04.HC.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.H - V[5,6] Vanadates |
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04.HC -[6]-Sorovanadates |
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| Other Magnesiopascoite InformationNAME( CanMin, v46:679) PHYS. PROP.(CanMin, v46:679) OPTIC PROP.(CanMin, v46:679) |
Links to other databases for Magnesiopascoite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Magnesiopascoite using: Visit our Advertisers for Magnesiopascoite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications e-Rocks Auctions 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 Magnesiopascoite Mineral Data : Ask about Magnesiopascoite here : Print or Cut-and-Paste your Magnesiopascoite Specimen Label here :
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