Langite
Naganobori, Mito village, Mine city, Yamaguchi pref., Japan
Field of view: 5 mm. Crystals of langite. The quadrangular blue platy crystals are langite. The white basement is crystalline limestone.
Recovered from a meteoric oxidation zone of a pneumatolytic deposit combined with skarn formed by contact metamorphism of S-type (ilmenite-series) granite. Formed in less than 50 years after the mine was closed,
Other localities
- Naganobori Mine (Pneumatolytic Skarn, Tabular)
- Okorogawa Mine (Hydrothermal, Granular)
- Mikawa Mine? (Hydrothermal, Prismatic)