Enstatite
Revision as of 12:07, 27 April 2013 by (username removed)
Description
A pyroxene mineral composed of magnesium silicate. Enstatite was first described by G.A. Kenngott in 1855. It occurs naturally in metamorphic rocks and meterorites. The mineral is usually a gray, pale green, or brown in color although a gemstone quality emerald green variety occurs rarely. Weathered enstatite can have a metallic luster and is called bronzite. Enstatite can alter to form steatite. Steatite may also be heated to form enstatite.
Synonyms and Related Terms
bronzite; Enstatit (Deut.); enstatiet (Ned.)
Other Properties
Orthorhombic crystal system .
Composition | MgSiO3 |
---|---|
Mohs Hardness | 5-6 |
Density | 3.21-3.96 |
Refractive Index | 1.650-1.788 |
Additional Images
Authority
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Enstatite (Accessed Nov. 2, 2005)