| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Missouri > Calcite (twinned crystals) |
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| DESCRIPTION: | No. 69807 |
| Mineral: | Calcite (twinned crystals) |
| Locality: | Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri |
| Description: | Classic specimen of transparent-to-translucent yellow calcite crystals twinned on the {01·2} plane resulting in V-shaped terminations known as Fishtail Twins. One calcite crystal termination has a flat cleavage face on the top edge. Was cleaned with HCL. Mary and Gardner Miller Calcite Collection #746 (See article: The Miller Calcite Collection in Mineralogical Record v.18#6) |
| Overall Size: | 15x8x6.5 cm |
| Crystals: | 135-150 mm |
| Archived: | For reference only |
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