- Copper, Prehnite
- Miniature, 4.7 x 3.7 x 2.5 cm
- Osceola Mine, Osceola, Houghton Co., Michigan, USA
An uncommon and showy combination specimen from Copper Country of copper embedded on lustrous, botryoidal, sea-green prehnite nicely set in matrix. This is classic, old material from the Osceola Mine, which was active from 1879-1920. The damage to the prehnite is confined to the back of the specimen and is out of sight. Ex. Marty Lewadny Collection.