AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Cristobalite in Obsidian |
DESCRIPTION: | No. 18457 |
Mineral: | Cristobalite in Obsidian |
Locality: | Coso Hot Springs deposit, Inyo County, California |
Description: | Hemispherical gray cristobalite with fayalite filling gas cavities in shiny black obsidian matrix. With old label from Ward's Earth Science Estab. Ex. Ward's |
Overall Size: | 7x5x3 cm |
Crystals: | micro to 1 mm |
Archived: | For reference only |
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