Calcite

Calcite is a carbonate mineral and is transparent to opaque. Calcite, like most carbonates, will dissolve with most forms of acid. It is a common constituent of sedimentary rocks, limestone in particular, much of which is formed from the shells of dead marine organisms.

 
Location: El Hammam, Morocco
Dimensions: 5 1/2" x 3 1/2" x 2 1/2"
Price: $198.00