Stilbite
Toi, Izu city, Shizuoka pref., Japan
Field of view: 20 mm. Groups of stilbite. The bundles of pointed tabular white crystals are stilbite. The grayish-brown host is hyaloclastite.
Recovered from an open space of a zeolite vein in tholeiitic andesitic-basaltic tuff breccia in an oceanic arc subjected to prophylitization alteration.
Stilbite from this location was described in 1937.
Other localities
- Kami-Sano (Sandstone, Tabular)
- Obora Path (Hyaloclastite, Tabular)
- Sogaura (Hyaloclastite, Tabular)
- Kusama Mine (Pyroclastics, Zeolite facies)
- Oshima Quarry (Basalt, Zeolite facies)
- Kaneyama (Tuff, Zeolite facies)