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Guerinite Mineral Data + |
General Guerinite Information |
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| Ca5(AsO3OH)2(AsO4)2·9(H2O) | |||
| Molecular Weight = 920.22 gm | |||
| Calcium 21.78 % Ca 30.47 % CaO | |||
| Arsenic 32.57 % As 49.95 % As2O5 | |||
| Hydrogen 2.19 % H 19.58 % H2O | |||
| Oxygen 43.47 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ca5(AsO3OH)2(AsO4)2·9(H2O) | |||
| Approved IMA 1961 | |||
| Daniel mine, Schneeberg, Sachsen, (Saxony), Germany Link to MinDat.org Location Data. | |||
| Named for H. Guerin. | |||
| ICSD 2127 | |||
| PDF 26-1055 | |||
Guerinite Image | |||
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Guerinite Crystallography |
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| a:b:c =2.618:1:3.4852 | |||
| a = 17.63, b = 6.734, c = 23.47, Z = 5; beta = 90.6° V = 2,786.22 Den(Calc)= 2.74 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n | |||
| By Intensity(I/Io): 14(1), 3.01(0.8), 3.89(0.8), | |||
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Mouse |
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Physical Properties of Guerinite |
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| [???] Perfect | |||
| Colorless, White. | |||
| 2.68 | |||
| Transparent to Translucent | |||
| 1.5 - Between Talc and Gypsum | |||
| Fluorescent. | |||
| Vitreous - Pearly | |||
| white | |||
Optical Properties of Guerinite |
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| CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2119,KPDmeas= 0.2167,KC= 0.2115 |
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| Biaxial (-), a=1.576, b=1.582, g=1.584, bire=0.0080 | |||
| colorless. | |||
| colorless. | |||
| colorless. | |||
Calculated Properties of Guerinite |
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relectron=2.69 gm/cc |
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| Fermion Index = 0.0005 Boson Index = 0.9995 |
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PEGuerinite = 24.25 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Guerinite is Not Radioactive |
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Guerinite Classification |
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| 39.2.2.2 (39)Hydrated Acid Phosphates, etc | |||
| (39.2)H2 (AB)5 (XO4)4 · x(H2O) | |||
| (39.2.2)Dana Group | |||
| VII/C.24-60 VII - Phosphates, Arsenates and Vanadates | |||
| VII/C - Water-bearing phosphates without unfamiliar anions, cations of medium and big size: Fe, Mn, Zn, Mg and Ca, (NH4)1+ | |||
| VII/C.24 - Haidingerite - Picropharmacolite series | |||
Other Guerinite 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 Guerinite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Guerinite using: Visit our Advertisers for Guerinite : Translate Guerinite Mineral Data : Ask about Guerinite here : Print or Cut-and-Paste your Guerinite Specimen Label here :
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