The Story of Zoisite Gemstones

Zoisite

Source: Tanzania

Chemical: Ca2Al3 (SiO4)3(OH)

Crystal System: Orthorhombic

Formation: Mostly in granite intrusions

Properties: Zoisite is the mineral from which tanzanite is found. There is a green colored gemstone that is called green zoisite. The purple transparent variety is tanzanite.

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Ruby crystal in green zoisite from Tanzania