- MD-146986
- Covellite
- East Colusa Mine, Butte, Butte District, Silver Bow Co., Montana, USA
- Small Cabinet, 6.0 x 4.5 x 3.0 cm
- SOLD
An old-time, showy and rich Butte specimen of iridescent, dark lavender covellite plates in a nifty boxwork form on matrix. Covellites of this quality are a signature Butte species and this is a good, with fine iridescence. Ex. John Ydren Collection.