| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Acanthite pseudomorphs after Argentite |
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| DESCRIPTION: | No. 64812 |
| Mineral: | Acanthite pseudomorphs after Argentite |
| Locality: | San Juan de Rayas Mine, Guanajuato, Mexico |
| Description: | Lustrous gray-metallic pseudo-cubic acanthite pseudomorphs after argentite crystals to 8 mm in parallel orientation. The argentite crystallized first, but is stable only above 179° C, then it cooled and altered to acanthite resulting in pseudomorphs. |
| Overall Size: | 14x12x9 mm |
| Crystals: | 1-8 mm |
| Archived: | For reference only |
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