Details
Marmatite with Pyrite
From Eagle Mine, Colorado
Dimensions: 229 grams, 75 mm long
Marmatite is a dark, iron-rich form of the mineral Sphalerite.
Marmatite with Pyrite
From Eagle Mine, Colorado
Dimensions: 229 grams, 75 mm long
Marmatite is a dark, iron-rich form of the mineral Sphalerite.