| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Sphalerite on Quartz |
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| DESCRIPTION: | No. 61653 |
| Mineral: | Sphalerite on Quartz |
| Locality: | Alston Moor, West Cumberland Iron Mining District, Cumbria, England |
| Description: | Lustrous transparent brown-black sphalerite crystals covering the front face gray-brown matrix with colorless quartz microcrystals. The sphalerite crystals are complex form, caused by Spinel-law twinning, with microscopic crystallization patterns. From a private collection donated to Manhattanville College ca. 1910. |
| Overall Size: | 13x9x3 cm |
| Crystals: | 0.5-6.0 mm |
| Archived: | For reference only |
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