This specimen consists of well formed, black Sphalerite crystals, half of which are covered with light orange colored Dolomite crystals. There are also present, yellowish colored spherical aggregates of Siderite. The Sphalerite crystals have triangular faces and have a very high, metallic luster.
Flaws: Nothing Appreciable
This mineral is also found in the following galleries: Minerals From Europe | Carbonates | Sulfides and Sulfosalts | Minerals Priced Between 100 and 199 Dollars