Garnet got its name from Theophrastus about 325-300 bch. This was apparently a name that is also used for ruby red spinel and red-pink sapphires.
Named from granatum because of its resemblance to pomegranate seeds.
The classic name for a group of silicate minerals with the same structure.
|Formula:||Almandin: Fe2 + 3Al2 (SiO4) 3|
|Andradite: Ca 3 Fe 3 + 2 (SiO 4) 3|
|Gross: Ca3 Al2 (SiO4) 3|
|Pyrope: Mg 3 Al 2 (SiO 4) 3|
|Spessartin: Mn 2 + 3 Al 2 (SiO 4) 3|
|Uvarovite: Ca 3 Cr 2 (SiO 4) 3|
|Color:||Yellow, orange, red, green, brown, gray, black|
|Coloring factors||Iron is responsible for red, yellowish-green, yellow and brown colors|
|The color of emerald-green garnet uvarovite is due to chromium|
|Gloss:||dull gloss, resin gloss, diamond gloss|
|Hardness:||6½ - 7|
|Specific weight:||3.55 to 4.33|
|Crystal System:||Cubic, Isometric|
|Location:||Brazil, Canada, Czech Republic|
The Garnet Group consists of:
Almandine - An iron-aluminum grenade.
Almandine-Pyrope - Grenades between Almandine and Pyrope.
Rhodolite - A pink-red variety from grenades from the Almandine to pyrope series.
Andradite - A calcium iron grenade.
Demantoid - A green variety of andradite.
Melanite - A black variety of andradite.
Topazolite - A yellowish-brown variety of andradite.
Andradite-Grossular - Grenades in-between enradite and grossular.
Mali Garnet - Garnet of the Grossular andradite type from Mali, West Africa.
Grossular - A garnet of calcium aluminum.
Hessonite - A golden-orange to brown variety of the grain.
Hibschite - A grossly containing hydroxyl ions.
Hydrogrossular - A grossly containing hydroxide (OH).
Transvaal Jade - A compact green massive jade-like variety of grossular.
Tsavorite - An emerald-green variety of grossular.
Pyrope - A magnesium-aluminum grenade.
Chrome Pyrope - A violet-bearing variety of pyrope.
Pyrope-Spessartine - Grenades intervening between pyrope and spessartine
Umbalite - A light pink to purple pyrope, originally from the Umba River, Tanzania.
Spessartine - A manganese-aluminum garnet.
Kashmirine - Spessartine from Kashmir.
Mandarin Garnet - A fiery red-orange spessartine.
Uvarovite - A garnet of calcium chromate.
If in stock you will find below my collection of Raw Gemstones within this group.
Are you looking for polished stones from the Garnet Group, then look at GRANATE GROUP