Home » Minerals » Magnesite

Magnesite


Mineral Properties and Uses



Physical Properties of Magnesite

Chemical Classification carbonate
Color white, grayish, yellowish, brownish, colorless
Streak white
Luster vitreous
Diaphaneity transparent to translucent
Cleavage perfect
Mohs Hardness 3.5 to 5.0
Specific Gravity 3.0 to 3.2
Diagnostic Properties dissolves with warm HCl in the powdered form
Chemical Composition MgCO3
Crystal System hexagonal
Uses refractory bricks, cement


Magnesite from Washington
Magnesite from Chewelah, Washington. Specimen is approximately 2-1/2 inches (6.4 centimeters) across.



Find it on Geology.com




More from Geology.com


Gems from Space
Gems from Space A number of materials from space have been used as attractive gems.
Sea Level Rise Map
Sea Level Rise Map: A Google map that shows where flooding will occur as sea level rises.
Download Google Earth Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
wall maps
Wall Maps - World maps, United States maps, continent maps, maps of individual states.
Plate Tectoncs
Zoom in on Plate Boundaries: See the details of plate tectonics in satellite view.
Shale
Shale: The rock that is quickly transforming the energy industry.
cinnabar
Cinnabar - the only important ore of mercury. Used as a pigment until its toxicity was realized.
Gold
Gold is a valuable metal with extreme properties that give it a diversity of uses.


Magnesite
Magnesite from Chewelah, Washington. Specimen is approximately 3-1/2 inches (8.9 centimeters) across.




Magnesite from California
Magnesite from Riverside County, California. Specimen is approximately 4 inches (10 centimeters) across.


More Minerals
  Rock, Mineral and Fossil Collections.
  Mohs Hardness Scale
  Tourmaline
  Calcite
  Diamond
  The Acid Test
  Topaz
  Minerals






© 2005-2016 Geology.com. All Rights Reserved.
Images, code, and content on this website are property of Geology.com and are protected by copyright law.
Geology.com does not grant permission for any use, republication, or redistribution.
Images, code and content owned by others are marked on the pages where they appear.