| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Kazakhstan > Acanthite pseudomorphs after Argentite |
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| DESCRIPTION: | No. 61754 |
| Mineral: | Acanthite pseudomorphs after Argentite |
| Locality: | Sarbai Mine, Rudnyi, Kazakhstan |
| Description: | Sharp, well crystallized silver-metallic acanthite pseudomorphs after argentite crystals to 4 mm. The argentite crystallized first but is stable only above 179° C. It altered to acanthite when it cooled below that temperature resulting in pseudomorphs. Ex. W. Keller #2082 |
| Overall Size: | 24x16x10 mm |
| Crystals: | 1-4 mm pseudos |
| Archived: | For reference only |
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