13hbmdis ((DIOPSIDE, GROSSULAR)), $10 MINIMUM BID, Pipestone Mine, Bald Mountain, Jefferson County, Montana, 7 x 5 x 3.5 cm, Cabinet | |
After the Butte show I bought several flats of Montana minerals from a retired digger. These have not been cleaned. Here is a specimen of green Diopside and carmel Grossular. There is some remnant Calcite that looks like its been etched with HCl to remove the Calcite exposing the Grossular. |