TrekGEO > Mineral Trail > Tokai region > Gifu pref. > Muscovite

Japanese page



Hirukawa, Nakatsugawa city, Gifu pref., Japan


Width of the crystal: 20 mm. A hexagonal crystal of muscovite. The hexagonal tabular silver-white crystal is muscovite. The micaceous pale yellow crystals on the surface are also muscovite. The massive translucent white part is quartz. The triangle face at the right end is a pyramidal face of quartz crystal.

Recovered from a pocket of a Topaz-NYF pegmatite associated with S-type (Ilmenite-series) granite. Formed in the Late Cretaceous (67 Ma).

Muscovite from this location was described in 1895.

Other localities


Copyright (c) 2017 NariNari, All Rights Reserved.