Birthstone: January
Moh's hardness: 61/2-71/2
Specitic Gravity: 3.36-4.20
Color: red,orange,brown,green,yellow
Chemical Composition: Mg3,Al2,(Si04)3,
magnesium aluminium silicate Refractive Index: 1.720-1.756
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Garnet is a naturally occuring gemstone. Its name comes from Latin Granatus meaning seed, because it often resembles small round seeds when found in its matrix rock.
Rather than a single gemstone, garnet is a family of related minerals, some of which occur as gemstones. Each has a common crystal structure, and similar chemical composition. The popular understanding of garnet is as an inexpensive dark red stone. Because it is realtively common, it is often thought of as "only garnet", and being inferior.
Not known to the general public as a rule, there are 3 rarer kinds of Garnet that are outstanding. Tsavorite Garnet, is a bright beautiful green, sometimes mistaken for fine Emerald. It's color being induced by the presence of Chromium. This is one of my favorite stones. The next Topazolite, a name used for a variety of garnet with a with a topaz-yellow or an olive green color, and the final is Magnetism, is a type of Garnet, particularly the reddish "African" garnets, which are usually found in close association with diamonds, showing distinct magnetism.
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