Mineralienatlas - Fossilienatlas
Tennantite-(Cd) |
Collectors Summary
Color | schwarz |
Streak color | rötlich braun |
Lustre | Metallglanz |
Hardness (Mohs) | 3½–4 |
Fracture | muschelig |
Crystal System | kubisch, I43m |
Morphology | Körner, Größe um 1x1 mm |
Chemism
Chemical formula |
Cu6(Cu4Cd2)As4S13 |
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Empirical formula (analysis) |
Cu9.98Ag0.01Cd1.57Zn0.46Fe0.01As3.97S13.05 |
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Chemical composition |
Arsen, Cadmium, Kupfer, Schwefel |
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IMA status |
anerkannt - CNMNC Newsletter 65, Dezember 2021 - Januar 2022 |
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Mineral status |
anerkanntes Mineral |
IMA Classification
IMA Classification |
Tetrahedrite Group ⇒ Tennantite series |
Optical Properties
schwarz |
|
rötlich braun |
|
Metallglanz |
Crystallography
43m |
|
Space Group number |
217 |
I43m |
|
Cell parameters a (Å) |
10.3088(2) |
Cell parameters b (Å) |
- |
Cell parameters c (Å) |
- |
Cell parameters a/b or c/a |
1 |
Cell parameters c/b |
- |
Cell parameters α |
90° |
Cell parameters β |
90° |
Cell parameters γ |
90° |
Z |
2 |
Volume (ų) |
1095.53 |
Tetraedrit-Gruppe; Struktur ermittelt |
|
4.206(7), 2.973(100), 2.574(12), 2.428(4), 2.019(3), 1.881(5), 1.821(27), 1.553(8) |
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Calculated from d-spacing and intensity at 0.1541838 nm (Cu) |
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Körner, Größe um 1x1 mm |
Physical Properties
3½–4 |
|
4.724 ber. |
|
4.724 ( ρ calc. Mineralienatlas ) |
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muschelig |
(Co-)Type locality
(Co-)Type locality |
Bolivien/La Paz, Departamento/Pacajes, Provinz/Berenguela District |
Type material |
Das Holotypmaterial ist in den Sammlungen des Fersman Mineralogischen Museums, Russische Akademie der Wissenschaften, Leninskiy Prospekt 18-2, Moskau 119071, Russland, Registriernummer 5755, hinterlegt. |
Paragenesis of type material |
Baryt, Montmorillonit und den Cd-Sulfaten Aldridgeit, Niedermayrit und Voudourisit |
Preface
References
Biagioni, C., Kasatkin, A. V., Sejkora, J., Nestola, F., and Škoda, R.: Tennantite-(Cd), IMA 2021-083, in: CNMNC Newsletter 65, Eur. J. Mineral., 34, https://doi.org/10.5194/ejm-34-143-2022, 2022. Cristian Biagioni; Anatoly Kasatkin; Jiří Sejkora; Fabrizio Nestola; Radek Škoda: Tennantite-(Cd), Cu6(Cu4Cd2)As4S13, from the Berenguela mining district, Bolivia: the first Cd-member of the tetrahedrite group. Mineralogical Magazine Vol. 86, Nr. 5 (2022) S. 834-840. Open Access Aaron J. Celestian: New Mineral Names: Arsenic and Lead. American Mineralogist Vol. 108, Nr. 3 (2023) S. 634–636. |
IMA group assignments
Other languages
German |
Tennantit-(Cd) |
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English |
Tennantite-(Cd) |
CNMNC (IMA)-Number
IMA 2021-083 |
CNMNC symbol
Symbol |
Tnt-Cd |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
IDs
GUSID (Global unique identifier short form) | tdKHOWxlkUOs9MRaRK8JnA |
GUID (Global unique identifier) | 3987D2B5-656C-4391-ACF4-C45A44AF099C |
Database ID | 9143 |