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Ushkovite Mineral Data + |
General Ushkovite Information |
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| MgFe+++2(PO4)2(OH)2·8(H2O) | |||
| Molecular Weight = 504.08 gm | |||
| Magnesium 4.82 % Mg 8.00 % MgO | |||
| Iron 22.16 % Fe 31.68 % Fe2O3 | |||
| Phosphorus 12.29 % P 28.16 % P2O5 | |||
| Hydrogen 3.60 % H 32.17 % H2O | |||
| Oxygen 57.13 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| MgFe3+2(PO4)2(OH)2·8(H2O) | |||
| Approved IMA 1983 | |||
| Link to MinDat.org Location Data. | |||
Ushkovite Image | |||
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Ushkovite Crystallography |
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| a:b:c =0.4859:1:0.6672 | |||
| a = 5.2, b = 10.7, c = 7.14, Z = 1; alpha = 108.6°, beta = 106.933°, gamma = 72.717° V = 343.93 Den(Calc)= 2.43 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 9.86(1), 3.2(0.8), 6.57(0.8), | |||
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Mouse |
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Physical Properties of Ushkovite |
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| [010] Perfect | |||
| Brown, Light yellow, Orange. | |||
| 2.38 | |||
| Transparent | |||
| 3.5 - Copper Penny | |||
| Vitreous - Pearly | |||
| white | |||
Optical Properties of Ushkovite |
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| CI meas= 0.043 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.062 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2594,KPDmeas= 0.2648,KC= 0.2767 |
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| Biaxial (-), a=1.584, b=1.637, g=1.67, bire=0.0860, 2V(Calc)=74, 2V(Meas)=50. | |||
Calculated Properties of Ushkovite |
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relectron=2.42 gm/cc |
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| Fermion Index = 0.00979 Boson Index = 0.99021 |
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PEUshkovite = 7.15 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ushkovite is Not Radioactive |
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Ushkovite Classification |
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| 42.11.10.4 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.10)Dana Group | |||
| VII/D.10-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe | |||
| VII/D.10 - Paravauxite group | |||
Other Ushkovite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Ushkovite : 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 -École des Mines de Paris Search for Ushkovite using: Visit our Advertisers for Ushkovite : Translate Ushkovite Mineral Data : Ask about Ushkovite here : Print or Cut-and-Paste your Ushkovite Specimen Label here :
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