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


Gems from Space
Gems from Space A number of materials from space have been used as attractive gems.
Fluorescent Minerals
Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Mohs Hardness Test
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Sea Level Rise Map
Sea Level Rise Map: A Google map that shows where flooding will occur as sea level rises.
caldera
Calderas are enormous volcanic craters formed by some of Earth\'s largest eruptions.
Find Minerals & Gems: Dozens of sites where you can dig and keep what you find.
Pavlof Volcano
Pavlof Volcano is one of the most active volcanoes in North America and a threat to air traffic
Hydraulic Fracturing
Hydraulic Fracturing: Increases well yield by fracturing the reservoir rock with fluid injection.




More Minerals
  Minerals
  Mohs Hardness Scale
  Fluorescent Minerals
  Diamonds Do Not Form From Coal
  Quartz
  Mineral Identification Chart
  Minerals in Colored Glass
  The Acid Test




© 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.