Tanzanite
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Merelani Hills, Simanjiro District, Manyara Region,Tanzania
778
Lovely crystal of tanzanite (a gem variety of Zoisite) with vibrant colour, transparency and lustre. Strongly pleochroic with much darker colour when viewed edgeways on.
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Status: Sold
Dimensions: 18x11x4mm
Size: Thumbnail (T)
Minerals of the English Midlands
UK Journal of Mines & Minerals No. 12
UK Journal of Mines and Minerals No. 3
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