Gypsum
Uenohara
Uenohara city, Yamanashi pref., Japan
Field of view: 3 mm. Gypsum in mudstone. The platy transparent crystals are gypsum. The center crystal with pointed termination is a twin.
Recovered from mudstone in trough-fill sediments.
Other localities
- Chichibu Mine (Hydrothermal Skarn, Radial)
- Hitachi Mine (Besshi, Tabular)
- Okorogawa Mine (Hydrothermal, Prismatic)
- Su river (Smectitization, Prismatic)
- Uenohara (Mudstone, Radial)
- Kodo (Mudstone, Granular)
- Desert Cave Hotel (Shale, Hairy)