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

Home » Minerals » Pyrophyllite

Pyrophyllite


Mineral Properties and Uses



Physical Properties of Pyrophyllite

Uses ceramics, refractory materials
Color white, pale blue, yellow, grayish green, brownish green
Streak white
Luster pearly to greasy
Diaphaneity translucent
Cleavage perfect
Mohs Hardness 1 - 2
Specific Gravity 2.7 - 2.9
Distinguishing Characteristics cleavage, greasy feel
Crystal System monoclinic


Pyrophyllite
Layering of pyrophyllite from Moore County, North Carolina. Specimen is approximately 3/4 inch (1.9 centimeters) thick.



Find it on Geology.com




More from Geology.com


sunstone
Sunstone:   A feldspar with aventurescence caused by light reflecting from platy inclusions.
rocks
Rocks:   Photos of igneous, sedimentary and metamorphic rocks.
plate tectonics
Plate Tectonics:   The cause of volcanoes, earthquakes, mountain ranges and more.
  what are minerals?
Minerals:   Information about ore minerals, gem materials and rock-forming minerals.
sliding rocks
Sliding Rocks Mystery:   What causes these rocks to slide across a Death Valley playa?.
satellite images
Satellite Images of cities, states and countries acquired by the Landsat satellite.


Pyrophyllite
Pyrophyllite from Moore County, North Carolina. Specimen is approximately 4 inches (10 centimeters) across.




San Andreas Fault - Zoom In
Blood Diamonds
Largest Eruption of the 20th Century
Marcellus Shale
Who Owns The Arctic?
Rock Type Photo Gallery
What is a Debris Flow?
East Africa Rift


© 2005-2013 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.