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Zaccagnaite Fraipontite Image

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 Zaccagnaite, Fraipontite

Large Zaccagnaite Image

Mineral: Zaccagnaite: Zn4Al2(OH)12(CO3)ยท3(H2O)  
Fraipontite: (Zn,Al)3(Si,Al)2O5(OH)4
Comments: Scanning electron microscope image of hexagonal, tapering, prismatic zaccagnaite crystals, covered by a thin crust of fraipontite. (AmMin 86:1294).
Location: Marble quarries of the Carrara basin (Apuan Alps, Italy).
Scale: See Image.
Copyright: © American Mineralogist
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