SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico
SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico

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SWJ0048 - Exceedingly Rare Andradite Garnets with Tourmaline from Mexico

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Species
Andradite Garnet + Tourmaline
Age
-
Location
Santa Cruz, Sonora (Mexico).
Formation
Santa Cruz Mining District
Size
105 x 61 x 46 mm   •    in
Weight
226 g   •    oz
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Description
ORIGIN: Santa Cruz, Sonora (Mexico)
Mining district: Santa Cruz Mining District

Weight: 226g
Size: 105 x 61 x 46mm

DESCRIPTION:
Exceedingly rare association from this rare location. Quite limited stuff. Very uncommon.

Andradite is a mineral species of the garnet group. It is a nesosilicate, with formula Ca3Fe2Si3O12.

Andradite includes three varieties:

Melanite: Black in color, referred to as "titanian andradite".
Demantoid: Vivid green in color, one of the most valuable and rare stones in the gemological world.
Topazolite: Yellow-green in color and sometimes of high enough quality to be cut into a faceted gemstone, it is rarer than demantoid.
It was first described in 1868 for an occurrence in Drammen, Buskerud, Norway. Andradite was named after the Brazilian statesman, naturalist, professor and poet José Bonifácio de Andrada e Silva (1763–1838).
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