| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Kansas > Sphalerite (Spinel Law twinned crystals) |
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| DESCRIPTION: | No. 58094 |
| Mineral: | Sphalerite (Spinel Law twinned crystals) |
| Locality: | Mid-Continent Mine, Treece, Cherokee County, Kansas |
| Description: | Lustrous black striated sphalerite crystals to 25 mm with remnants of gray limestone included in the bottom where they were attached. The sphalerite crystals are twinned on the {111} octahedral plane following the Spinel Law of twinning. |
| Overall Size: | 5.5x4x3 cm |
| Crystals: | 1-25 mm |
| Archived: | For reference only |
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