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Garyansellite Mineral Data + |
General Garyansellite Information |
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| (Mg,Fe+++)3(PO4)2(OH,O)·1,5(H2O) | |||
| Molecular Weight = 330.29 gm | |||
| Magnesium 16.56 % Mg 27.46 % MgO | |||
| Iron 12.68 % Fe 18.13 % Fe2O3 | |||
| Phosphorus 18.76 % P 42.98 % P2O5 | |||
| Hydrogen 1.14 % H 10.23 % H2O | |||
| Oxygen 50.86 % O | |||
| ______ ______ | |||
| 100.00 % 98.79 % = TOTAL OXIDE | |||
| 3(Mg0.75)3(Fe3+0.25)(PO4)2(OH)0.75O0.25·1.5(H2O) | |||
| Approved IMA 1984 | |||
| Link to MinDat.org Location Data. | |||
Garyansellite Image | |||
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Garyansellite Crystallography |
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| a:b:c =0.9557:1:0.8289 | |||
| a = 9.452, b = 9.89, c = 8.198, Z = 4; V = 766.35 Den(Calc)= 2.86 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbna | |||
| By Intensity(I/Io): 3.156(1), 2.705(0.6), 4.93(0.5), | |||
Physical Properties of Garyansellite |
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| [001] Good | |||
| Brown. | |||
| 3.16 | |||
| Translucent | |||
| 4 - Fluorite | |||
| Vitreous (Glassy) | |||
| brown | |||
Optical Properties of Garyansellite |
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| CI meas= -0.053 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.164 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2624,KPDmeas= 0.2374,KC= 0.2254 |
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| Biaxial (-), a=1.733, b=1.757, g=1.761, bire=0.0280, 2V(Calc)=42, 2V(Meas)=55. | |||
Calculated Properties of Garyansellite |
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relectron=3.14 gm/cc |
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| Fermion Index = 0.01949 Boson Index = 0.98051 |
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PEGaryansellite = 5.01 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Garyansellite is Not Radioactive |
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Garyansellite Classification |
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| 40.3.2.5 (40)Hydrated Phosphates, etc | |||
| (40.3)where (A++)3 (XO4)2 · x(H2O) | |||
| (40.3.2)Dana Group | |||
| VII/C.08-30 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.08 - Phosphoferrite - Kryzhanovskite series | |||
Other Garyansellite 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 Garyansellite : 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 Garyansellite using: Visit our Advertisers for Garyansellite : Translate Garyansellite Mineral Data : Ask about Garyansellite here : Print or Cut-and-Paste your Garyansellite Specimen Label here :
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