Laumontite
Nakanokura, Minobu city, Minami-Koma county, Yamanashi pref., Japan
Field of view: 50 mm. Groups of laumontite. The radial groups of opaque white prisms are laumontite. The gray basement is hyaloclastite.
Recovered from a laumontite vein in basaltic-andesitic hyaloclastite subjected to Prehnite-Pumpellyite facies metamorphism.
Other localities
- Myoho Mine (Sediment-hosted Cu, Prismatic)
- Nakayashiki (PrP facies, Radial)
- Chiyabayama (PrP facies, Prismatic)
- Heguri (PrP facies, Prismatic)
- Obora Path (Hyaloclastite, Prismatic)
- Takarayama Mine (GS facies, Vein)
- Nishizawa Mine (Hydrothermal Au-Ag, Prismatic)