Classification of Babkinite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 2/D.12-60
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| Nickel-Strunz 10th (pending) edition ID: | 2.GC.40e
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.) G : Sulfarsenites, sulfantimonites, sulfbismuthites C : Poly-sulfarsenites |
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| Dana 8th edition ID: | 2.6.3.
2 : SULFIDES 6 : AmBnXp, with (m+n):p = 4:3 |
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| mindat.org URL: | http://www.mindat.org/min-6812.html Please feel free to link to this page. |
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Type Occurrence of Babkinite |
| Type Locality: | Nevskoe (Nevskoye; Nevskoje) W-Sn Deposit, Omsukchan, Ducat District, Kolyma River Basin, Magadanskaya Oblast', Far-Eastern Region, Russia |
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| General Appearance of Type Material: | As thin tablets, in aggregates, to 2 mm across. |
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| Place of Conservation of Type Material: | A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, p806/1. |
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| Geological Setting of type material: | In a hydrothermal deposit in sediments, near their contact with a granite intrusion. |
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| Associated Minerals at type locality: | |
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Physical Properties of Babkinite |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | Silvery grey |
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| Streak: | Grey |
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| Hardness (Mohs): | 2 |
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| Hardness (Vickers): | VHN10=71 - 91 kg/mm2 |
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| Cleavage: | Perfect on {0001} |
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| Density (calculated): | 8.096 g/cm3 |
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Crystallography of Babkinite |
| Crystal System: | Trigonal |
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| Cell Parameters: | a = 4.191(2) Å, c = 39.60(3) Å
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| Ratio: | a:c = 1 : 9.449 |
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| Unit Cell Volume: | V 602.37 ų (Calculated from Unit Cell) |
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| Z: | 3 |
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| Comment: | Space group P-31m or P-3. |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 3.42 | | (5) | | 3.04 | | (10) | | 2.096 | | (8) | | 1.806 | | (6) | | 1.725 | | (5) | | 1.298 | | (7) | | 1.233 | | (6) |
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Optical Data of Babkinite |
| Type: | Anisotropic |
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| Anisotropism: | Distinct |
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| Reflectivity: | | 400nm | R=51.3% | | 420nm | R=50.7% | | 440nm | R=49.6% | | 460nm | R=48.7% | | 480nm | R=48.6% | | 500nm | R=48.5% | | 520nm | R=47.8% | | 540nm | R=47.5% | | 560nm | R=48.2% | | 580nm | R=47.0% | | 600nm | R=46.5% | | 620nm | R=46.5% | | 640nm | R=46.1% | | 660nm | R=46.5% | | 680nm | R=46.2% | | 700nm | R=46.7% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 51.3%. |
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| Colour in reflected light: | White with yellowish tint |
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| Pleochroism: | Weak |
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| Comments: | in pale bluish brown tints |
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Chemical Properties of Babkinite |
| Formula: | |
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| Essential elements: | Bi, Pb, S |
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| All elements listed in formula: | Bi, Pb, S, Se |
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| Analytical Data: | Nevskoye deposit, Russia; by electron microprobe.
Ag (0.13)
Pb (42.58)
Sb (0.08)
Bi (42.02)
Se (10.60)
S (5.80)
Total (101.21) |
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| Empirical Formula: | |
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Relationship of Babkinite to other Species |
| Member of: | Aleksite Group |
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Other Members of Group:
- + | |
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Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Babkinite |
| 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 Babkinite |
Reference List:
- + | Mineralogical Record: 28: 219.
Bryzgalov, I.A., Spiridonov, E.M., Petrova, I.V. and Sakharova, M.S. (1996): Babkinite Pb2Bi2(S, Se)3 – a new mineral. Doklady Akademii Nauk SSSR, 346(5), 656-659. |
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Internet Links for Babkinite |
| Search Engines: |
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| External Links: | Look for Babkinite on WebmineralLook for Babkinite on Athena MineralogyLook for Babkinite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseBabkinite details from Handbook of Mineralogy (PDF) |
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| Jobs: | Mining & Geology Jobs |
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Localities for Babkinite |
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