McGuinnessite
sold- Locality
- Copper King Mine, Red Mountain, Mendocino Co., California, USA
- Minerals
- Mcguinnessite
- Dimensions
- 8.5 x 7 x 2 cm
- Size class
- Small Cabinet
- SID
- CT217
Mcguinnessite is a rare Mg-Cu carbonate, a member of Rosasite Group and is named after well-known California mineralogist, Al McGuinness. The matrix is richly covered with radial clusters and hemispheres of teal-blue mcguinnessite. Comes with an old Chuck Trantham label that shows his old price of $100.