| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Maine > Cassiterite (twinned crystals) |
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| DESCRIPTION: | No. 41260 |
| Mineral: | Cassiterite (twinned crystals) |
| Locality: | Emmons Quarry, southeastern slope of Uncle Tom Mountain, Greenwood, Oxford County, Maine |
| Description: | Complex cluster of highly lustrous black cassiterite crystals exhibiting repeated twinning with areas of yellow muscovite-lepidolite mica. Looks beautiful under magnification. Cassiterite, an tin-oxide mineral, is rare in the pegmatite cavities of Maine. |
| Overall Size: | 10x7x5 mm |
| Crystals: | 1-5 mm |
| Archived: | For reference only |
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