Classification of Dashkovaite |
| IMA status: | Approved 2000 |
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| Strunz 8th edition ID: | 9/A.02-03
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| Nickel-Strunz 10th (pending) edition ID: | 10.AA.10
10 : ORGANIC COMPOUNDS A : Salts of organic acids A : Formates, Acetates, etc. |
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| Dana 7th edition ID: | 50.2.4.1 |
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| mindat.org URL: | http://www.mindat.org/min-10175.html Please feel free to link to this page. |
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Type Occurrence of Dashkovaite |
| Type Locality: | Korshunovskoye (Korzunovskoe; Korzhunovska; Korshunovskiy) Iron mine, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia |
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| Geological Setting of type material: | Hydrothermal veinlets in serpentine in dolomitic marble |
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Physical Properties of Dashkovaite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | White |
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| Streak: | White |
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| Hardness (Mohs): | 1 |
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| Tenacity: | Sectile |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 1.74 g/cm3 |
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Crystallography of Dashkovaite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Space Group: | P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a} |
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| Space Group Setting: | P21/c |
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| Cell Parameters: | a = 8.64(1) Å, b = 7.15(1) Å, c = 9.38(1) Å β = 98° |
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| Ratio: | a:b:c = 1.208 : 1 : 1.312 |
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| Unit Cell Volume: | V 573.82 ų (Calculated from Unit Cell) |
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| Z: | 4 |
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| Morphology: | Fibrous, in porous aggregates |
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| Comment: | Space group by analogy to synthetic |
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Optical Data of Dashkovaite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.465 nβ = 1.486 nγ = 1.516 |
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| 2V: | Calculated: 81° |
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| Maximum Birefringence: | δ = 0.051
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Moderate |
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| Dispersion: | r > v strong |
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Chemical Properties of Dashkovaite |
| Formula: | |
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| Essential elements: | C, H, Mg, O |
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| All elements listed in formula: | C, H, Mg, O |
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Relationship of Dashkovaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Dashkovaite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Dashkovaite |
| Reference List: | Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 129(6): 49-53.
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Internet Links for Dashkovaite |
| Search Engines: |
Look for Dashkovaite on Google
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| External Links: | Look for Dashkovaite on WebmineralLook for Dashkovaite on Athena MineralogyLook for Dashkovaite on WikipediaLook for Dashkovaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Dashkovaite in the Natural History Museum (London) online catalogueDashkovaite details from Handbook of Mineralogy (PDF) |
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Localities for Dashkovaite |