Sorosilicates

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Zoisite #1 XPL

Zoisite thin section

For Siegmund Zois, Baron von Edelstein (1747-1819), Austrian scholar and writer who was interested in minerals and who financed mineral-collecting expeditions. Formula: Ca2Al3O(SiO4)(Si2O7)(OH) System: Orthorhombic Color: Colourless,...