C-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

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Zoisite (Var: Tanzanite) : {Ca₂}{Al₃}[O\|OH\|SiO₄\|Si₂O₇], Prehnite : Ca₂Al₂Si₃O₁₂(OH)
	C-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania 2.2 x 1.9 x 1.0 cm. A really sharp matrix tanzanite, undamaged, gemmy, natural and unheated. Most tanzanite thumbnails are single crystals. The matrix is actually prehnite, but with a blue tint.
© Rob Lavinsky	Photo ID: 224729 View Count: 65

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C-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

Zoisite (Var: Tanzanite) : {Ca2}{Al3}[O|OH|SiO4|Si2O7], Prehnite : Ca2Al2Si3O12(OH)

Zoisite (Var: Tanzanite) : {Ca₂}{Al₃}[O|OH|SiO₄|Si₂O₇], Prehnite : Ca₂Al₂Si₃O₁₂(OH)