“Rhodochrosite (left part in pink), Hedenbergite (right part in green) and Pyrite collected from a small swamp in the downstream of Karaki adit.
Karaki adit is located in the top area of Mt. Karaki (Karaki-dake).
After collection, Hedenbergite turned to dark green (it contains Johannsenite ??) ”
Hiroaki Tano - 28th August 2016