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About Garnet

The Rock Professor has provided you with a mineral
information card. Print on stock paper, and cut out to
enhance your rock and mineral products.

To print: with your cursor, highlight the entire card below,
right click and select print, then click on "selection"
and print.

THE ROCK PROFESSOR

 

 

Image of ALMADINE GARNET in the Rock Professor
Image courtesy of Roger
Weller, Cochise College.
This mineral is on display
at the Natural History
Museum, Los Angeles

 

Image of GARNET GEMSTONES in the Rock Professor
Varieties of GARNET gems

GARNET

The garnet group of minerals is a group of chemically and physically similar minerals. They are as follows:
Grossularite is a calcium aluminum silicate. It can be colorless, gray, many shades of yellow and green, also pink, red, brown and black.
Pyrope is a magnesium aluminum silicate. Colors are blood-red, dark red, purplish-red, orangish-red and pinkish -red.
Spessartite is a manganese aluminum silicate, and can be orange, reddish-orange, red, reddish-brown, yellowish-brown and brown.
Almandite is an iron aluminum silicate, Almandine is typically a deep red-violet, also can be red, brownish-red and brownish-black.
Andradite is a calcium iron silicate. It occurs in yellowish-green, green, greenish-brown, gray and black.
Uvarovite is a calcium chromium silicate; the color is dark green.
The uses of garnet are as gemtones and abrasives. Because they are hard, lack cleaveage and fracture into sharp, irregular pieces, garnets are an excellent abrasive. As a gemstone, they highly refractive, hard, have beautiful colors, and are transparent. However, possibly due to their abundance and widespread use, they do not fetch a high price as a gemstone.

 

Class: Nesosilicates ♦ Crystal system: isometric ♦ Color: occurs in all colors except blue ♦ Luster: vitreous to resinous ♦ Transparency: transparent to opaque ♦ Cleavage: none ♦ Fracture: conchoidal, somewhat brittle ♦ Moh's hardness: 6.5 - 7.5 ♦ Localities: USA, Australia, China, India, Russia, Turkey, Alaska

 

 

Image of ALMADINE GARNET in the Rock Professor
 
Results 1 - 3 of 3

About Garnet

Garnet Crystal Pendant JWL 1481

Garnet Crystal Pendant JWL 1481

Sales price: $89.00

Product details

Spessartite Garnet Pendant, JWL 2219

Spessartite Garnet Pendant, JWL 2219

Sales price: $59.00

Product details

Uvarovite Pendant JWL 2214

Uvarovite Pendant JWL 2214

Sales price: $98.00

Product details

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