DIOPTASE
Dioptase is a rare hydrous copper silicate (Cu6(Si6O18)·6H2O).
It forms greenish rhombohedral crystals. It is principally valued as a
green gemstone and as a mineral specimen.
Dioptase
on whitish calcite matrix.
DIOPTASE
Dioptase is a rare hydrous copper silicate (Cu6(Si6O18)·6H2O).
It forms greenish rhombohedral crystals. It is principally valued as a
green gemstone and as a mineral specimen.
Dioptase
on whitish calcite matrix.