15dm831.is ((BLACK ORE)), $5 MINIMUM BID, Matsumine Mine (Deposit), Hanaoka Mine, Honshu Island, Japan, 6 x 6 x 4 cm, Miniature | |
Here is a specimen from Japan labeled Black Ore. Per mindat.org It is from a Kuroko type deposit worked for zinc, copper, lead, and minor silver, gold, and pyrite for sulphur. ex Dennis McMurdie collection. ex U of U dept of geology and geophysics. |