Tanzanite is the transparent blue variety of zoisite, a hydrous calcium aluminium silicate mineral. It was discovered in 1967 in Tanzania, East Africa, which remains the only known mining location. Colours range mainly from a sapphire blue to a violet blue and it is commonly heat treated to enhance colour. A rare and extremely popular stone. Birthstone for December. Hardness: 6.5 (Mohs).

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Tanzanite Faceted Round ~ Various Sizes
From:  £3.60
Tanzanite Freeform Faceted Slice 18mm
Tanzanite Rose Cut Cabochon ~ Various Sizes
From:  £3.90
Tanzanite Round Cabochon ~ Various Sizes
From:  £4.10
out of stock

Page 1 of 1:    4 Items
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