|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Missouri > Sphalerite var. Ruby Jack
|Sphalerite var. Ruby Jack
|Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri
|Translucent red-brown sphalerite crystals on dolomite matrix with minor crystals of transparent calcite. The sphalerite looks amazing under magnification: translucent, tetrahedral crystals with complex faces and rich color.
|For reference only
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