15025 D23-1 Potassic-sadanagaite, Myojin Island, Imabari City, Inland Sea, Ehime Prefecture, Japan

Sliced specimen showing micro black inclusions of rock-forming potassic-sadanagaite from the type locality. Ex Andrew Hodgson Collection. Purchased by Andrew from Soenke Stolze in 2014.

Click on the image below for a higher resolution version. Andrew Hodgson photo.