Fluorite
Suzugouya, Shirosato city, Higashi-ibaraki county, Ibaraki pref., Japan
Field of view: 10 mm. Massive fluorite. The massive pale green part is fluorite. The surrounding white parts are gangue quartz.
Recovered from a quartz vein of a pneumatolytic deposit formed by S-type (Ilmenite-series) granite. Formed in the early Paleocene (65 Ma).
Fluorite from this location was described in 1915.
Other localities
- Hirukawa (Pegmatite, Octahedral)
- Hiraiwa Mine (Hydrothermal, Dodecahedral)
- Goka Mine (Hydrothermal, Massive)
- Takatori Mine (Pneumatolytic, Massive)
- Takane Mine (Pneumatolytic, Massive)
- Kamioka Mine (Pneumatolytic Skarn, Cubic)