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Wednesday, March 20, 2013
Gemstone of the Week: Tinzenite
Tinzenite was discovered in 1923 and is named after the locality of where it was found: near Tinzen, Grisons, Switzerland. Tinzenite belongs to the Axinite group of gems and has a hardness of 6.5-7. It has a vitreous luster; may be translucent or subtranslucent; and its colour may be lemon-yellow, orange, or red. Tinzenite has a composition of calcium, manganese, aluminum, iron, silicon, boron, hydrogen, and oxygen. it is often found inside Quartz veins in manganese deposits. Tinzenite is found in: Switerland, the Czech Republic, France, Italy, Japan, New Zealand, Norway, Russia, and the states of Nevada and Arizona.