Eagle Mine, Gilman district, Eagle Co., Colorado

9 x 6.5 x 4 cm

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Ex. A. Neely, 1960s

Discoidal shaped Siderite crystals with black colored, iron rich, Sphalerite crystals, also known as Marmatite. The Siderite crystals are a light orange/beige color which is bit more orange in places, the color being due to iron oxers. The Sphalerite has a very high, metallic luster. There are also, small Pyrite crystals scattered across the specimen. Classic material from the Eagle mine.

Condition: Good

Flaws: A few of the Siderite crystals at the top of the crystals are incomplete/bruised.

This mineral is also found in the following galleries: Minerals From the United States | Carbonates | Sulfides and Sulfosalts | Minerals Priced Between 50 and 99 Dollars