Sphalerite is a zinc sulfide mineral (ZnS) and is the most important ore of zinc. It's also known as zinc blende or blackjack. Sphalerite is found in various rock types and locations worldwide. While often black, it can also be yellow, orange, red, or brown, and can have a resinous to adamantine luster.
Sphalerite Sphere - 501 grams
Weight: 501 grams
Width/Depth 77.7/70.2 mm