Zaccagnaite Fraipontite Image
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Fraipontite
,
Zaccagnaite
Mineral:
Fraipontite
:
(Zn,Al)3(Si,Al)2O5(OH)4
Zaccagnaite
:
Zn4Al2(OH)12(CO3)ยท3(H2O)
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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