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Krasnovite Mineral Data + |
General Krasnovite Information |
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| Ba(Al,Mg)(PO4,CO3)(OH)2·(H2O) | |||
| Molecular Weight = 301.90 gm | |||
| Barium 45.49 % Ba 50.79 % BaO | |||
| Magnesium 2.01 % Mg 3.34 % MgO | |||
| Aluminum 6.70 % Al 12.66 % Al2O3 | |||
| Phosphorus 7.69 % P 17.63 % P2O5 | |||
| Hydrogen 1.34 % H 11.93 % H2O | |||
| Carbon 0.99 % C 3.64 % CO2 | |||
| Oxygen 35.77 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| BaAl0.75Mg0.25(PO4)0.75(CO3)0.25(OH)2·(H2O) | |||
| Dolomite veins. | |||
| Approved IMA 1996 (Dana # Added) | |||
| Kovdor on the Kola Peninsula, Russia. Link to MinDat.org Location Data. | |||
| For N. I. Krasnova (1941-), mineralogist at St. Petersburg University. | |||
| IMA1991-020 | |||
Search for Krasnovite Images | |||
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Krasnovite Crystallography |
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| a:b:c =1.5768:1:1.9532 | |||
| a = 8.939, b = 5.669, c = 11.073, Z = 4; V = 561.13 Den(Calc)= 3.57 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnna,Pnnn | |||
| By Intensity(I/Io): 2.768(1), 3.479(0.82), 5.54(0.79),2.543(0.61), | |||
Physical Properties of Krasnovite |
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| [010] Good | |||
| Pale blue. | |||
| 3.7 | |||
| Translucent | |||
| Fibrous - Thin, elongated fractures produced by crystal forms or intersecting cleavages (e.g. asbestos). | |||
| Fibrous - Crystals made up of fibers. | |||
| Spherical - Spherical, rounded aggregates. | |||
| 2 - Gypsum | |||
| Non-fluorescent. | |||
| Silky | |||
| white | |||
Optical Properties of Krasnovite |
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| CI meas= 0.048 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.176,KPDmeas= 0.1698,KC= 0.1784 |
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| Biaxial (-), a=1.616, b=1.629, g=1.64, bire=0.0240, 2V(Calc)=84, 2V(Meas)=70 -90. Dispersion strong, r > v. | |||
| none. | |||
| none. | |||
| none. | |||
Calculated Properties of Krasnovite |
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relectron=3.30 gm/cc |
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| Fermion Index = 0.08336 Boson Index = 0.91664 |
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PEKrasnovite = 198.00 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Krasnovite is Not Radioactive |
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Krasnovite Classification |
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| 42.7.2.2 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.7)where (AB)5 (XO4)3 Zq · x(H2O) | |||
| (42.7.2)Dana Group | |||
| VII/D.50-25 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K | |||
| VII/D.50 - Matulaite - Morinite series | |||
Other Krasnovite Information |
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| NAME( MinRec, Vol. 28, No. 3) PHYS. PROP.(Am.Min.,Vol.82,p621,1997) OPTIC PROP.(MinRec, Vol. 28, No. 3) | |||
| Links to other databases for Krasnovite : 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 Krasnovite using: Visit our Advertisers for Krasnovite : Translate Krasnovite Mineral Data : Ask about Krasnovite here : Print or Cut-and-Paste your Krasnovite Specimen Label here :
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