Variety chalcotrichite; needles
Origin: Tywardreath, Cornwall, Great Britain
Picture height: 5 mm
Sample owner: Mr. and Mrs. Stemvers-van Bemmel
Photo courtesy of:
Pieter Stemvers, Leusden, Netherlands
email: stemvers@hetnet.nl
Origin: Mashaba West mine, Congo
Sample size: single crystal 1.5 cm
Cuprite almost completely replacing
copper
Origin: Ray Mine, Pinal Co., Arizona, USA
Sample size: 2 x 1 x 1 cm
Cuprite on copper
Origin: Bisbee, Arizona, USA
Sample size: 13 x7 cm copper plate, cuprite crystals smaller than 0.5 mm
Cuprite with
copper
Chalcotrichite
Origin: Chenmenshan mine, Jiangxi Province, China
Sample size: 6.5 x 4 x 3cm (top), 7 x 2 x 3 cm (bottom)
Chalcotrichite
Origin: Christmas mine, Gila Co., Arizona, United States
Ex. DeVito Collection
Ex. DeVito Collection
Sample size: 4.5 x 2 x 1 cm
Deep red, highly reflective, modified cubes of cuprite to 6 mm on deep
green acicular
malachite. The entire matrix is cuprite.
Origin: Cole Shaft, Bisbee, Cochise Co., Arizona, United States
Sample size: 8 x 5 x 4 cm
Miniature with 1 mm well-formed cuprite crystals with a coating of
malachite and associated with white, straw-like
cerussite.
Origin: Tsumeb mine, Tsumeb, Namibia
Sample size: 4 x 3 x 1.5 cm
Photo courtesy of:
