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Gamagarite Mineral Data + |
General Gamagarite Information |
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| Ba2(Fe+++,Mn+++)(VO4)2(OH) | |||
| Molecular Weight = 577.16 gm | |||
| Barium 47.59 % Ba 53.13 % BaO | |||
| Manganese 2.38 % Mn 3.42 % Mn2O3 | |||
| Vanadium 17.65 % V 31.51 % V2O5 | |||
| Iron 7.26 % Fe 10.38 % Fe2O3 | |||
| Hydrogen 0.17 % H 1.56 % H2O | |||
| Oxygen 24.95 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ba2Fe3+0.75Mn3+0.25(VO4)2(OH) | |||
| Valid Species (Pre-IMA) 1943 | |||
| Link to MinDat.org Location Data. | |||
| ICSD 68348 | |||
| PDF 41-1413 | |||
Gamagarite Image | |||
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Gamagarite Crystallography |
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| a:b:c =1.4829:1:1.2771 | |||
| a = 9.15, b = 6.17, c = 7.88, Z = 2; beta = 112.7° V = 410.41 Den(Calc)= 4.67 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | |||
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Mouse |
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Physical Properties of Gamagarite |
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| [001] Distinct, [100] Distinct, [101] Indistinct | |||
| Brownish black, Dark brown, Black. | |||
| 4.62 | |||
| Translucent to Opaque | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| 4.5-5 - Near Apatite | |||
| Adamantine | |||
Optical Properties of Gamagarite |
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| CI meas= -0.029 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.018 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2274,KPDmeas= 0.2299,KC= 0.2234 |
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| Biaxial (+), a=2.016, b=2.04, g=2.13, bire=0.1140, 2V(Calc)=58, 2V(Meas)=46-62. | |||
Calculated Properties of Gamagarite |
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relectron=4.15 gm/cc |
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| Fermion Index = 0.0869 Boson Index = 0.9131 |
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PEGamagarite = 221.06 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Gamagarite is Not Radioactive |
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Gamagarite Classification |
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| 41.10.4.3 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.10)where (A++ B++)3 (XO4)2 Zq | |||
| (41.10.4)Dana Group | |||
| VII/B.24-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.24 - Brackebuschite - Tsumebite group, Bearthite - Jamesite series | |||
Other Gamagarite 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 Gamagarite : 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 - WWW-MINCRYST 13 -École des Mines de Paris Search for Gamagarite using: Visit our Advertisers for Gamagarite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Gamagarite Mineral Data : Ask about Gamagarite here : Print or Cut-and-Paste your Gamagarite Specimen Label here :
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