Chalcocite from Butte Mining District, Montana, USA - image 1
Photo by Laszlo Kupi Fine Mineral Photography

Chalcocite from Butte Mining District, Montana, USA

Chalcocite pseudomorphs after covellite, 8.1 cm, from Butte, Silver Bow County, Montana. Collected in 1883, ex collections of August P. Pohndorf, Gerald Herfurth, Ed David, and Wouter Van Tichelen. Photo by László Kupi.

Product details

SpeciesChalcociteCovellite
SizeSmall Cabinet
Dimensions8.1 cm
Added on03/26/2026
LocalityUSA, Montana, Butte Mining District
Publications
  • Mineralogical Record The Kevin Brown Collection page 197
Current owner
Kevin Brown
Kevin Brown
Parker, TX
Member since 2026
Previous owners
DateCollectorAcquisition price
—Wouter Van TichelenNot disclosed
—Ed DavidNot disclosed
—Gerald HerfurthNot disclosed
—August P. PohndorfNot disclosed

Learn more

Chalcocite
Mineral guide
Learn about Chalcocite
dark steel-gray crystals with bright metallic luster and dramatic twinning; rare, well-formed specimens attract collectors and highlight sites.
Chalcocite
Regional guide
Chalcocite from Butte Mining District, Montana, USA
from Butte Mining District, Montana: steel-gray to blue-black blades, stacked pseudomorphs after covellite, rich paragenesis, and collector appeal.
Locality guide
Butte Mining District
Butte Mining District, USA - famed copper-molybdenum vein system yielding museum-grade ore specimens, enargite prisms, covellite plates, and rich collector app…