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


Titanium
Titanium - the metallic element used to make high performance alloys, pigments and polishes.
Gems from Space
Gems from Space A number of materials from space have been used as attractive gems.
strontium titanate
Strontium Titanate is a man- made diamond simulant with a fire much stronger than diamond.
Facts About Copper
Facts About Copper: Information about copper uses, production, resources and more.
Sliding Rocks
Sliding Rocks Mystery: What causes these rocks to slide across a Death Valley playa?
Download Google Earth Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Labradorite
Labradorite: A feldspar that produces bright flashes of iridescent colors.
Landslides
Landslides - A USGS fact sheet about landslides and events that trigger them.


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
  Fluorescent Minerals
  Minerals
  Mineral Identification Chart
  Mohs Hardness Scale
  Hand Lens
  Hardness Picks
  Diamond
  Quartz




© 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.