McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Home » Minerals » Orthoclase

Orthoclase


Mineral Properties and Uses



Physical Properties of Orthoclase

Chemical Classification silicate
Color white, gray, flesh pink, reddish, yellow, green
Streak white
Luster vitreous
Diaphaneity translucent to subtranslucent
Cleavage perfect
Mohs Hardness 6 to 6.5
Specific Gravity 2.5 to 2.6
Diagnostic Properties cleavage, color
Chemical Composition KAlSi3O8
Crystal System monoclinic
Uses gemstones, ceramics



Find it on Geology.com




More from Geology.com


gem photos
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Sand
Sand is a diverse material. This gallery includes photos of sand from around the world.
Solar System Volcanoes
Solar System Volcanoes: Earth is not the only location of volcanic activity.
US Gemstones
United States Gemstones: A diversity of gemstones are produced in the United States.
Fluorescent Minerals
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Iolite
Iolite is the gem variety of the mineral cordierite. An alternative to sapphire and tanzanite.
Gemstones
Gemstones: Fantastic images and articles about colored stones and diamonds.
California Earthquake Maps
California Earthquake Maps: A collection of isoseismal maps for earthquakes in California.




More Minerals
  Minerals
  Find Minerals and Gems
  Fluorescent Minerals
  Mineral Identification Chart
  Mohs Hardness Scale
  Gold
  Kyanite
  Quartz




© 2005-2014 Geology.com. All Rights Reserved.
Images, code and content of this website are property of Geology.com. Use without permission is prohibited. Pages on this site are protected by Copyscape.