Mordenite
Toi, Izu city, Shizuoka pref., Japan
Field of view: 10 mm. A radial group of mordenite. The radial group of acicular white crystals is mordenite.
Recovered from an open space of a zeolite vein in tholeiitic andesitic-basaltic tuff breccia in an oceanic arc subjected to prophylitization alteration.
Mordenite from this location was described in 1982.
Other localities
- Yanda (Hyaloclastite, Acicular)
- Obora Path (Hyaloclastite, Acicular)
- Futo (Basalt, Acicular)
- Kusama Mine (Pyroclastics, Radial)
- Mount Hokidani (Basalt, Acicular)