9iddb.irs ((MCKINSTRYITE)) RARE SPECIES $125 MINIMUM BID, Mogollon, Catron County, New Mexico, 2.5. x 2 x 1 cm, Thumbnail | |
Rare species of Silver Copper Sulfide from New Mexico. Mckinstryite is the black tarnished silvery areas on the thumbnail. ex Allan Young collection from Boise, Idaho, a world class thumbnail collector. |