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

Home » Minerals » Garnet

Garnet


Mineral Properties and Uses



Physical Properties of Garnet

Uses gemstone, sand paper
Color wine red to reddish brown, yellow, green, black
Streak colorless
Luster vitreous
Diaphaneity transparent to translucent
Cleavage none
Mohs Hardness 6.5 - 8
Specific Gravity 3.5 - 4.3
Distinguishing Characteristics hardness, color, specific gravity
Crystal System isometric


Garnet from Canada
Almandite, a variety of garnet from River Valley, Ontario, Canada. Specimen is approximately 2 inches (5 centimeters) across.


Almadite Garnet
Almandite, a variety of garnet from Lount Township, Ontario, Canada. Specimen is approximately 4-1/2 inches (11.4 centimeters) across.


Rhodolite Garnet
Rhodolite, a variety of garnet, in mica schist from Jackson County, North Carolina. Specimen is approximately 3-1/2 inches (8.9 centimeters) across.


Andradite Garnet
Andradite, a variety of garnet, massive with wollastonite from Willsboro, New York. Specimen is approximately 2-1/2 inches (6.4 centimeters) across.


Spessartite Garnet cabochon
A cabochon of spessartite garnet from Namibia. This gem is 1.8 carats, and approximately 7 millimeters by 6 millimeters.


Garnet cabochons
Garnet cabochons. The 9 on the left are from Africa, and the single on the right is from Montana. All of these gems are approximately 7 millimeters across.



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.
  Pavlof Volcano
Eruption in Alaska:   Ash eruptions from Pavlof volcano are threatening air traffic.
what are minerals?
Minerals:   The building blocks of our society. We use items made with minerals every day.
volcanoes
Volcanoes:   Articles about volcanoes, volcanic hazards and eruptions past and present.


Garnet
Almandite, a variety of garnet from Madagascar. The sizes vary, and are approximately 1/4 inch to 5/8 inch (.64 centimeter to 1.6 centimeters) across.




Garnet from Mexico
Grossularite garnet from Chihuahua, Mexico. Specimen is approximately 1-1/2 inches (3.8 centimeters) across.


Rosolite Garnet
Grossularite garnet (or Rosolite) with Idocrase, from Xalostoc, Mexico. Specimen is approximately 4 inches (10 centimeters) across.


Garnet essonite
Grossularite garnet (or Essonite) from Eden Mills, Vermont. Specimen is approximately 3 inches (7.6 centimeters) across.


Grossularite Garnet
Grossularite garnet (or Essonite) from Bancroft, Ontario, Canada. Specimen is approximately 1-1/2 inches (3.8 centimeters) across.


Spessartite Garnet
Spessartite garnet from Amelia, Virginia. Specimens are approximately 1/2 inch (1.3 centimeters) across.


What Causes a Tsunami?
What is a Debris Flow?
Rare Earth Elements
Types of Volcanic Eruptions
Vesuvius
San Andreas Fault - Zoom In
What is Geology?
San Andreas Fault


© 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.