| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Sphalerite (Spinel Law-twinned) |
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| DESCRIPTION: | No. 59230 |
| Mineral: | Sphalerite (Spinel Law-twinned) |
| Locality: | Smallcleugh Mine, Nenthead, Alston Moor, Cumbria, England |
| Description: | Lustrous black sphalerite crystals lining a shallow concave cavity in brown matrix. The sphalerite crystals are complex crystal form that are repeatedly twinned following the Spinel Law of twinning on the {111} plane. Ex. B. Gaber collection #1452; acquired from Nick Carruth |
| Overall Size: | 8.5x5x3 cm |
| Crystals: | 3-5 mm |
| Archived: | For reference only |
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