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Gem Sugilite is a rare purple mineral that is found only in South Africa. Sugilite crystals are rarely found and it is mostly seen as a cut stone.The bright purple color of sugilite is a result of an association with manganese. It has a hardness of 5.5 to 6.5.
Sugilite was first discovered in 1944 by the professor Ken-ichi Sugi (1901-1948) for an occurrence he described on Iwagi Islet, Japan.
