Hornblende

Kami-Ono, Ono city, Fukui pref., Japan

IMA approved name

Ferrohornblende or Magnesiohornblende

Field of view: 50 mm. A radial group of hornblende. The radial group of black prisms is hornblende. The surrounding grayish-white host is a matrix of andesite.

Other localities

List of Japanese hornblende localities

Ikenofukuro (Andesite, Dispatched)
Kami-Sano (Andesite, Phenocryst)
Nakatatsu Mine (Andesite, Radial)