| Dashkovaite Mineral Data |
General Dashkovaite Information |
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| Mg(HCOO)2·2(H2O) | |||
| Molecular Weight = 172.49 gm | |||
| Magnesium 14.09 % Mg | |||
| Hydrogen 3.33 % H | |||
| Carbon 27.85 % C | |||
| Oxygen 54.73 % O | |||
| ______ | |||
| 100.00 % | |||
| MgH5.72(C2)O5.9 | |||
| Found in dolomite marble core. Second natural formate. | |||
| Approved IMA 2000 (Dana # Added) | |||
| Korshunovskoye boron deposit in the Irkutsk district, Siberia. Link to MinDat.org Location Data. | |||
| Named for E. R. Dashkova (1744-1796), former director of the Saint Petersburg Academy of Sciences. | |||
| IMA2000-006 | |||
Dashkovaite Image | |||
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Dashkovaite Crystallography |
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| a:b:c =1.2083:1:1.3118 | |||
| a = 8.64, b = 7.15, c = 9.38, Z = 4; beta = 98° V = 573.82 Den(Calc)= 2.00 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | |||
| By Intensity(I/Io): 3.4(1)(112), 4.9(0.9)(111), 3.68(0.8)(210),4.3(0.7)(200), 4.64(0.7)(002), 2.87(0.4), 3.05(0.4), | |||
Physical Properties of Dashkovaite |
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| White. | |||
| Translucent | |||
| Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Fibrous - Crystals made up of fibers. | |||
| 1 - Talc | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Dashkovaite |
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| Biaxial (+), a=1.465, b=1.486, g=1.516, bire=0.0510 | |||
Calculated Properties of Dashkovaite |
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relectron=2.06 gm/cc |
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| Fermion Index = 0.01742 Boson Index = 0.98258 |
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PEDashkovaite = 0.54 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Dashkovaite is Not Radioactive |
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Dashkovaite Classification |
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| 50.2.6.2 (50)Salts of Organic Acids | |||
| (50.2)(Mellitates, Citrates, Cyanates, and Acetates) | |||
| (50.2.6)Dana Group | |||
| IX/A.02-03 IX - Organic compunds | |||
| IX/A - Salts from organic acids. Other organic salts, a.o. mellates and citrates. | |||
| IX/A.02 - Mellite - Abelsonite (?) series | |||
Other Dashkovaite Information |
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| NAME( AmMin, Vol 86, p 1534) PHYS. PROP.(AmMin, Vol 86, p 1534) OPTIC PROP.(AmMin, Vol 86, p 1534) | |||
| Links to other databases for Dashkovaite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Dashkovaite using: Visit our Advertisers for Dashkovaite : Translate Dashkovaite Mineral Data : Ask about Dashkovaite here : Print or Cut-and-Paste your Dashkovaite Specimen Label here :
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