GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z           HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site magnesite A carbonate mineral, magnesium carbonate (MgCO3). It is an alteration poduct of calcite or dolomite in sedimentary rocks and is found in microcrystalline masses and crystals like Iceland spar. Magnesite is white, colorless, o of light tint, with a glassy to dull texture. Hardness 3.5–5, relative density 3.1. Related category    • GEOLOGY AND PLANETARY SCIENCE Source: U.S. Geological Survey Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP