A perfect plate of small, black Sphalerite crystals with a very high, metallic, sparkly luster. This could actually be used for jewelry it is so attractive. The Sphalerite is iron rich and is referred to as Marmatite. The Sphalerite is actually only present as a thin layer over a mass of very small, compact Pyrite crystals which can be observed on the reverse side.
Flaws: Nothing Appreciable
This mineral is also found in the following galleries: Minerals From the United States | Sulfides and Sulfosalts | Minerals Priced Between 25 and 49 Dollars