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Metavariscite Mineral Data |
General Metavariscite Information |
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AlPO4•2(H2O) | ||
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Molecular Weight = 157.98 gm | ||
Aluminum 17.08 % Al 32.27 % Al2O3 | |||
Phosphorus 19.61 % P 44.92 % P2O5 | |||
Hydrogen 2.55 % H 22.81 % H2O | |||
Oxygen 60.76 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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Al(PO4)•2(H2O) | ||
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Valid Species (Pre-IMA) 1925 | ||
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Edison-Bird mine, Utahlite Hill, Lucin, Box Elder Co., Utah, USA. Link to MinDat.org Location Data. | ||
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Named for its dimorphic relationship to variscite. | ||
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Metavariscite + Pronunciation ![]() |
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ICSD 2643 | ||
PDF 33-32 | |||
Metavariscite Image | |||
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Metavariscite Crystallography |
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a:b:c =0.5448:1:0.8885 | ||
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a = 5.182, b = 9.5115, c = 8.4516, Z = 4; beta = 90.4° V = 416.56 Den(Calc)= 2.52 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n | ||
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By Intensity(I/Io): 4.758(1), 2.705(0.95), 4.227(0.65), | ||
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Physical Properties of Metavariscite |
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{010} Good | ||
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Light green. | ||
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2.54 | ||
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Transparent to Translucent | ||
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Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
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3.5 - Copper Penny | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Metavariscite |
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CI meas= 0.02 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2237,KPDmeas= 0.2219,KC= 0.2266 Ncalc = 1.57 - 1.58 |
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Biaxial (+), a=1.551, b=1.558, g=1.582, bire=0.0310, 2V(Calc)=58, 2V(Meas)=55. | ||
Calculated Properties of Metavariscite |
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Bulk Density (Electron Density)=2.55 gm/cc note: Specific Gravity of Metavariscite =2.52 gm/cc. |
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Fermion Index = 0.0002954932 Boson Index = 0.9997045068 |
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PEMetavariscite = 1.49 barns/electron U=PEMetavariscite x rElectron Density= 3.79 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Metavariscite is Not Radioactive |
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Metavariscite Classification |
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40.04.03.01 (40)Hydrated Phosphates, etc | ||
(40.04)where A+++ XO4 � x(H2O) | |||
(40.04.03)Metavariscite group | |||
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08.CD.05 08 - PHOSPHATES, ARSENATES, VANADATES | ||
08.C - Phosphates without Additional Anions, with H2O | |||
08.CD -With only medium-sized cations, RO4:H2O = 1:2 | |||
Other Metavariscite Information |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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Links to other databases for Metavariscite : 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 Search for Metavariscite using: Visit our Advertisers for Metavariscite : Ask about Metavariscite here : Print or Cut-and-Paste your Metavariscite Specimen Label here :
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