|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Sphalerite var. Marmatite with Siderite
|Sphalerite var. Marmatite with Siderite
|Eagle Mine, Gilman District, Eagle County, Colorado
|Lustrous cluster of black marmatite crystals mixed with flattened, light gray siderite crystals. Clean and undamaged.
|For reference only
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