Yugawaralite
Yugawaralite is a clear or pinkish mineral of the zeolite group. It was first described by Sakurai and Hayashi near a waterfall by some hot springs near Yugawara.
Etymology
Yugawaralite is named after the town Yugawara, where it was found.
Properties
Yugawaralite is piezoelectric and pyroelectric.
Location
Yugawaralite is found in geothermally active areas such as Japan. In Japan, yugawaralite is found on Honshu, where Yugawara is the type locality. In India, it is found in small amounts. Other locations where it has been found is Washington, Alaska, Yellowstone [National Park], British Columbia, Iceland, Sardinia, and Reunion island.
In Alaska, yugawaralite is found about east of Fairbanks, Alaska. In this site, yugawaralite has been recorded up to long.
Japan
In Yugawara, the crystals are found at Fudō Falls in a layer of the Neogene.