Monazite-(Ce)?
Hirukawa
Nakatsugawa city, Gifu pref., Japan
This locality is closed to collectors.
Size of the crystal: 10 mm. A brown prysmatic crystal. The brown crystal with some crystal faces is probably monazite-(Ce). The micaceous silver-white crystals exhibiting perfect cleavage are muscovite. The white to brown part at the bottom of the sample is feldspar.
Recovered from a Topaz-NYF pegmatite associated with S-type (Ilmenite-series) granite. Formed in the Late Cretaceous (67 Ma).
Monazite-(Ce) from this location was described in 1939.