| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Missouri > Sphalerite (Spinel-law twinned) |
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| DESCRIPTION: | No. 56123 |
| Mineral: | Sphalerite (Spinel-law twinned) |
| Locality: | Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri |
| Description: | Well-crystallized large sphalerite crystals with striated crystal faces. The sphalerite crystals are twinned on the {111} plane following the Spinel Law of twinning with easily visible twin planes delineated by texture change. |
| Overall Size: | 3.5x3.5x2.5 cm |
| Crystals: | 6-24 mm |
| Archived: | For reference only |
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