Classification of Tazieffite |
| IMA status: | Approved 2008 |
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| mindat.org URL: | http://www.mindat.org/min-36040.html
Please feel free to link to this page. |
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Type Occurrence of Tazieffite |
| Type Locality: | Mutnovsky volcano, Kamchatka Oblast', Far-Eastern Region, Russia |
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| General Appearance of Type Material: | Tiny, slender, needle-shaped crystals, up to 400 μm long and 10 μm across, generally forming fibrous aggregates |
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| Place of Conservation of Type Material: | Fersman Museum, Moscow (catalog number 92674), and the Ecole des Mines de Paris (catalog number 78986). |
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| Geological Setting of type material: | Volcanic fumarole |
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| Associated Minerals at type locality: | |
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Physical Properties of Tazieffite |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | silver-gray in color, occasionally with a magenta tint |
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| Streak: | black |
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| Tenacity: | Brittle |
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| Density (calculated): | 6.07 g/cm3 |
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Crystallography of Tazieffite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Space Group: | B2/b {B1 1 2/b} {C2/c} {C1 2/c 1} |
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| Cell Parameters: | a = 8.352Å, b = 45.592Å, c = 27.261Å
β = 98.84° |
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| Ratio: | a:b:c = 0.183 : 1 : 0.598 |
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| Unit Cell Volume: | V 10,257.26 ų (Calculated from Unit Cell) |
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| Z: | 4 |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 4.35 | | (21) | | 4.07 | | (39) | | 3.80 | | (53) | | 3.66 | | (24) | | 3.361 | | (65) | | 3.313 | | (100) | | 2.835 | | (39) | | 2.789 | | (36) |
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Optical Data of Tazieffite |
| Type: | Anisotropic |
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| Anisotropism: | weakly |
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| Pleochroism: | Weak |
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| Comments: | dark gray to blue-gray. |
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Chemical Properties of Tazieffite |
| Formula: | |
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| Essential elements: | As, Cd, Cl, Pb, S |
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| All elements listed in formula: | As, Bi, Cd, Cl, Pb, S |
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Other Names for Tazieffite |
| 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 Tazieffite |
Reference List:
- + | Michael Zelenski, Anna Garavelli, Daniela Pinto, Filippo Vurro, Yves Moëlo, Luca Bindi, Emil Makovicky, and Elena Bonaccorsi (2009) Tazieffite, Pb20Cd2(As,Bi)22S50Cl10, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. American Mineralogist, 94, 1312–1324. |
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Internet Links for Tazieffite |
| Search Engines: |
Look for Tazieffite on Google
Look for Tazieffite images on Google |
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| External Links: | Look for Tazieffite on WebmineralLook for Tazieffite on Athena MineralogyLook for Tazieffite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure Database |
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| Jobs: | Mining & Geology Jobs |
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Localities for Tazieffite |
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality.
The symbol next to localities in the list
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Mineral and Locality Search
