Mineralienatlas - Fossilienatlas
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Inserted from |
Diether G., Bodensee-Nord |
Collectors Summary
| Chemical Formula | Cu2S |
| Color | stahlgrau, schwarz-metallisch, graublau-metallisch; bleigrau nach frischem Bruch, matt und schwarz an der Luft |
| Streak color | grauschwarz-metallisch |
| Lustre | Metallglanz |
| Hardness (Mohs) | 2.5 - 3 |
| Solubility | +++ HNO3 |
| Crystal System | monoklin, P21/c |
| Morphology | grobtafelige Kristalle, kurz-prismatisch, selten dipyramidal, bekannt sind auch Zwillings-und Drillingsverwachsungen; massiv, körnige Aggregate, leistenförmig, erdig, Pseudomorphosen; gewöhnlich kompakte Massen |
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