1. Education
About.com
Geology

Dolomite

The Rock-Forming Minerals

Dolomite, CaMg(CO3)2, is a major carbonate mineral. It is usually created underground where magnesium-rich fluids meet calcite. Learn more about dolomite.
Magnesian calcite
Photo (c) 2009 Andrew Alden, licensed to About.com (fair use policy)

4 of 9

Gallery Index: The Rock-Forming Minerals

©2012 About.com. All rights reserved.

A part of The New York Times Company.