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Zinalsite: Zn2AlSi2O5(OH)4·2(H2O) (?) Fraipontite: (Zn,Al)3(Si,Al)2O5(OH)4 Smithsonite: ZnCO3
Comments: Pearly white, sub-mm fraipontite (zinalsite) crystals associated with green smithsonite. Location: Lavrion District Mines, Lavrion District, Attikí (Attica; Attika) Prefecture, Greece. Scale: Specimen Size 1.4 x 1.0 x 0.9 cm. © Rob Lavinsky