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Phosphosiderite Mineral Data + |
General Phosphosiderite Information |
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| Fe+++PO4·2(H2O) | |||
| Molecular Weight = 186.85 gm | |||
| Iron 29.89 % Fe 42.73 % Fe2O3 | |||
| Phosphorus 16.58 % P 37.98 % P2O5 | |||
| Hydrogen 2.16 % H 19.28 % H2O | |||
| Oxygen 51.38 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Fe3+(PO4)·2(H2O) | |||
| Valid Species (Pre-IMA) 1890 | |||
| Kalterborn Grube, Eisenfeld, Siegen, Germany Link to MinDat.org Location Data. | |||
| Named after its chemical composition, PHOSPHrous and SIDERos, Iron.. | |||
| ICSD 34007 | |||
| Metastrengite | |||
| PDF 33-666 | |||
Phosphosiderite Image | |||
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Phosphosiderite Crystallography |
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| a:b:c =0.539:1:0.8804 | |||
| a = 5.32, b = 9.87, c = 8.69, Z = 4; beta = 90.6° V = 456.27 Den(Calc)= 2.72 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n | |||
| By Intensity(I/Io): 2.78(1), 4.37(0.8), 4.69(0.8), | |||
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Physical Properties of Phosphosiderite |
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| [010] Perfect, [001] Distinct | |||
| Colorless, Purple, Pink, Red, Red violet. | |||
| 2.76 | |||
| Transparent to Translucent | |||
| Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | |||
| Encrustations - Forms crust-like aggregates on matrix. | |||
| Spherical - Spherical, rounded aggregates. | |||
| 3.5-4 - Copper Penny-Fluorite | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Phosphosiderite |
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| CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.021 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2641,KPDmeas= 0.2603,KC= 0.2697 |
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| Biaxial (-), a=1.692, b=1.725, g=1.738, bire=0.0460, 2V(Calc)=62, 2V(Meas)=62. | |||
Calculated Properties of Phosphosiderite |
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relectron=2.71 gm/cc |
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| Fermion Index = 0.00658 Boson Index = 0.99342 |
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PEPhosphosiderite = 9.60 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Phosphosiderite is Not Radioactive |
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Phosphosiderite Classification |
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| 40.4.3.2 (40)Hydrated Phosphates, etc | |||
| (40.4)where A+++ XO4 · x(H2O) | |||
| (40.4.3)Dana Group | |||
| VII/C.09-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/C - Water-bearing phosphates without unfamiliar anions. cations of medium and small size: Be and Mn, Fe, Cu, Zn, Mg | |||
| VII/C.09 - Variscite group | |||
Other Phosphosiderite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | |||
| Links to other databases for Phosphosiderite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 - Minerals of Wisconsin 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris Search for Phosphosiderite using: Visit our Advertisers for Phosphosiderite : Translate Phosphosiderite Mineral Data : Ask about Phosphosiderite here : Print or Cut-and-Paste your Phosphosiderite Specimen Label here :
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