Origin: Mine #57, Dzhezkazgan, Kazakhstan
Sample size: top 5 x 4 x 3 cm, crystals to 8 mm, bottom 3 x 2.5 x 1 cm
Origin: Bristol, Hartford Co., Connecticut, USA
Sample size: top, 4 x 3 x 2 cm, bottom 6 x 5 x 2 cm
Origin: Geevor mine, Cornwall, England
Ex. Kaar Collection
Sample size: 5 x 4.5 x 4.5 cm
Pseudohexagonal or twinned, tabular, steel grey crystals to 2 to 5mm.
Origin: Cooks Kitchen mine, Camborne, Cornwall, England
Ex. Kidwell collection
Sample size: 6 x 3 x 4.5 cm
Dakota Matrix Minerals
Origin: Houdaille quarry, Summit, Union Co., New Jersey, U.S.A.
Owner: Lou Perloff
Microscopic image
Origin: Ground Hog mine, Central dst., Grant Co., New Mexico, U.S.A.
Owner: Lou Perloff
Microscopic image
Photo-Atlas
of Minerals
Origin: Flambeau Mine, Rusk County, Wisconsin, U.S.A.
Sample size: 6.5 x 4 x 2.5 cm
The Arkenstone
Origin: Tsumeb, Namibia
Sample size: 3.5 x 2.5 x 2 cm
Owner: John Schneider
Photo: John and Mark Schneider
Ex. John Barlow collection
Origin: Flambeau mine, 2 km south of Ladysmith, Rusk Co., Wisconsin, U.S.A.
Sample size: 3.7 x 2.5 x 4.5 cm (top), 2.6 x 3.7 x 1.7 cm (2nd/bottom row)
Dealer in
fine mineral specimens
This specimen is comprised of mostly massive chalcocite with bladed crystals
of
barite
and intergrown grains of
bornite
in the chalcocite.
Malachite
is seen as an alteration species on the chalcocite. This specimen most likely
came from the Norrbotten workings of the mine.
Origin: Långban, Sweden
Harry von Eckermann Collection
Sample size: 7.5 x 6.8 x 3.7 cm
John Veevaert, Trinity Mineral Co
