Classification of Schlemaite |
| IMA status: | Approved 2003 |
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| Strunz 8th edition ID: | 2/0.0-
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| Nickel-Strunz 10th (pending) edition ID: | 2.BE.25
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
E : With Pb (Bi) |
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| mindat.org URL: | http://www.mindat.org/min-25688.html
Please feel free to link to this page. |
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Type Occurrence of Schlemaite |
| Type Locality: | Shaft 371, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany |
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| General Appearance of Type Material: | anhedral to subhedral grains, up to a few 100 µm in size |
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| Geological Setting of type material: | in hydrothermal Se-bearing dolomite-ankerite veins |
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Physical Properties of Schlemaite |
| Lustre: | Metallic |
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| Diaphaneity (Transparency): | Opaque |
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| Colour: | black |
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| Streak: | black |
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| Hardness (Mohs): | 3 |
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| Hardness (Vickers): | VHN25=106 kg/mm2 |
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| Hardness Data: | Measured |
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| Tenacity: | Brittle |
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| Cleavage: | None Observed |
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| Fracture: | Irregular/Uneven |
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| Density (calculated): | 7.54 g/cm3 |
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Crystallography of Schlemaite |
| Crystal System: | Monoclinic |
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| Class (H-M): | 2/m - Prismatic |
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| Space Group: | P21/m {P1 1 21/m} {P21/m} {P1 21/m 1} |
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| Cell Parameters: | a = 9.5341Å, b = 4.1004Å, c = 10.2546Å
β = 100.066° |
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| Ratio: | a:b:c = 2.325 : 1 : 2.501 |
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| Unit Cell Volume: | V 394.72 ų |
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| Z: | 2 |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 3.34 | | (80) | | 3.17 | | (60) | | 2.85 | | (80) | | 2.69 | | (80) | | 2.17 | | (60) | | 2.10 | | (70) | | 2.07 | | (100) | | 2.04 | | (50) |
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| Comments: | From type description. |
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Chemical Properties of Schlemaite |
| Formula: | |
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| All elements listed in formula: | Bi, Cu, Pb, Se |
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| Empirical Formula: | |
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Relationship of Schlemaite to other Species |
Related Minerals - Nickel-Strunz Grouping):
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Other Names for Schlemaite |
| 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 Schlemaite |
Reference List:
- + | Förster, H.-J.; Cooper,M.A.; Roberts, A.C.; Stanley, C.J.; Criddle, A.J.; Hawthorne, F.C.; Laflamme, J.H.G. & Tischendorf, G. (2003): Schlemaite, (Cu,◻)6(Pb,Bi)Se4, a new mineral species from Niederschlema-Alberoda, Erzgebirge, Germany: Description and crystal structure.- Canadian Mineralogist 41, 1433-1444.
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Internet Links for Schlemaite |
| Search Engines: |
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| External Links: | Look for Schlemaite on WebmineralLook for Schlemaite on Athena MineralogyLook for Schlemaite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSchlemaite details from Handbook of Mineralogy (PDF) |
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| Jobs: | Mining & Geology Jobs |
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Localities for Schlemaite |
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