Home Galleries New Arrivals News Links Site Map FAQ Contact Us
Advanced Search
    

Services
Home

Ordering

Payment Methods

Privacy Policy

Return Policy

Shipping

Dealer Inquiries

Order Status

Site Map


Galleries
New Arrivals

Minerals

 - under $250

 - over $250

 - over $500

 - over $1000

Polished Items

Fossils

Meteorites

Auctions


Reference
Crystallography

Glossary

Metaphysics

Mineral Properties

Mineral Sizes


Miscellaneous
Advanced Search

Convert Currency

Links

Website Award

ICCS Certified

Internet Content Rating Association

Back

Grossular is a type of garnet, calcium-aluminum silicate. Hessonite is a transparent brown, yellow, orange, or honey-colored variety of grossular garnet often used in jewelry. The yellow variety is called cinnamon stone, hyacinth or jacinth. Transvaal "jade" is a type of green to gray grossular garnet from South Africa. Pink grossular garnets varieties include landerite, rosolite, and Xalostocite. Tsavorite is an emerald-green grossular garnet.

Ca3Al2Si3O12 - Calcium Aluminum Silicate
Class:
Subclass:
Group:
Varieties:
Hessonite, Tsavorite
red, green (tsavaorite), orange, red-brown (hessonite) to colorless
White
Vitreous
Transparent to translucent
3.4
6½ - 7
None
Conchoidal to uneven
Perfect crystals, granular
Non-fluorescent
Frequency:
Abundant
Origin:
Metamorphic in Ca-rich, contact metamorphic rocks, skarns, rodingites:hydrothermal along the cracks in these rocks, associated with diopside, vesuvianite, wollastonite, scrapolite and epidote.

Occurence:
Asbestos, Quebec, Canada and Sierra de las Cruces, Coahuila, Mexico.
Application:
Cut as a gemstone.

 
Home Galleries Add to Favorites News Privacy Policy Site Map FAQ Contact Us
Copyright © 2003 - 2005 Open Adit™. All Rights Reserved
 P.O. Box 191  Tipp City, Ohio 45371  (937) 440-9891
This page contains valid CSS
Developed by Gunmetal Web Design