Classification of Pertsevite |
| IMA status: | Approved 2002 |
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| Strunz 8th edition ID: | 5/0.0-
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| Nickel-Strunz 10th (pending) edition ID: | 6.AB.75
6 : BORATES A : Monoborates B : BO3, with additional anions; 1(D) + OH, etc. |
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| mindat.org URL: | http://www.mindat.org/min-25644.html Please feel free to link to this page. |
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Type Occurrence of Pertsevite |
| Type Locality: | Kebirnin'ya creek, Dogdo river, Yana River Basin, Verkhoyansk, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia |
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| Geological Setting of type material: | in kotoite marble |
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Physical Properties of Pertsevite |
| Lustre: | Vitreous |
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| Diaphaneity (Transparency): | Transparent |
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| Colour: | colourless |
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| Streak: | white |
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| Cleavage: | None Observed |
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| Density (calculated): | 3.12 g/cm3 |
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Crystallography of Pertsevite |
| Crystal System: | Orthorhombic |
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| Class (H-M): | mm2 - Pyramidal |
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| Space Group: | Pna21 |
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| Cell Parameters: | a = 20.49Å, b = 4.571Å, c = 11.89Å
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| Ratio: | a:b:c = 4.483 : 1 : 2.601 |
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| Unit Cell Volume: | V 1113.61 ų |
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| Z: | 16 |
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| Morphology: | anhedral grains up to 150 µm in diameter |
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Optical Data of Pertsevite |
| Type: | Biaxial (+) |
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| RI values: | nα = 1.609 nβ = 1.620 nγ = 1.642 |
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| Maximum Birefringence: | δ = 0.033
 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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Chemical Properties of Pertsevite |
| Formula: | |
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| Essential elements: | |
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| All elements listed in formula: | B, F, Mg, O |
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Relationship of Pertsevite to other Species |
| Related Minerals - Nickel-Strunz Grouping): | |
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Other Names for Pertsevite |
| Synonyms: | |
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| German names: | |
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| Russian names: | |
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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 Pertsevite |
| Reference List: | Schreyer, W., T. Armbruster, H.-J. Bernhardt & O. Medenbach (2003): Pertsevite, a new silicatian magnesioborate mineral with an end-member composition Mg2BO3F, in kotoite marble from east of Verkhoyansk, Sakha-Yakutia, Russia.- European Journal of Mineralogy: 15: 1007-1018.
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Internet Links for Pertsevite |
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| External Links: | Look for Pertsevite on WebmineralLook for Pertsevite on Athena MineralogyLook for Pertsevite on WikipediaLook for Pertsevite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Pertsevite in the Natural History Museum (London) online catalogue |
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Localities for Pertsevite |
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