Akagane mine, Esashi ward, Oshu City, Iwate Prefecture, Japan

Ribbon-like crystals of eclarite embedded in massive milky quartz with minor iron stains. (White patches are just unwanted reflections from brilliant metallic crystal faces.)

© Alfredo Petrov

Limonite-like akaganeite in a pocket in chalcopyrite-rich matrix. Purchased in 1990. Now part of a collection in Japan.

© Andrew Hodgson

Slender Eclarite crystals, with Ikunolite also detected.

© NaturalismMinerals///天物矿晶