|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Siderite and Sphalerite
|Siderite and Sphalerite
|Eagle Mine, Gilman District, Eagle County, Colorado
|Flattened rhombic crystals of translucent, brown siderite with partial overgrowth of black sphalerite, variety marmatite. The sphalerite is highly lustrous and looks beautiful under magnification. Minor damage on one edge.
|For reference only
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