RAY MINE, AZ - A lot of cubic cuprite crystals cover this specimn. Their size is up to 0.5-1 mm and have a deep bright red color. Overall size is 3x2.5x2 cm

Rubtsovskiy mine, Altai, Russia - Bright  terminated cuprite crystals up to 1.4 cm on the edge. Minimal natural etching on, as typical for this species. Overall size is  1.5x1.4x1 cm

Rubtsovskiy mine, Altai, Russia - Cluster of bright  terminated cuprite crystals up to 1.5 cm on the edge. There are half a dozen crystals. Minimal natural etching on, as typical for this species. Overall size is 2x 1.6x1.6 cm

Rubtsovskiy mine, Altai, Russia - Bright  terminated cuprite crystals up to 1.8 cm on the edge. Minimal natural etching on, as typical for this species. Overall size is 2x2x1.8 cm

Rubtsovskiy mine, Altai, Russia - Bright  terminated cuprite crystals up to 2 cm on the edge. Minimal natural etching on, as typical for this species. Overall size is 2.4x2.2x1.8 cm

Tsumeb Mine, Otavi Highlands, Namibia - A carbonatic matrix with a lot of bright deep red millimetric crystals of cuprite spread all around. The cuprites form various clusters  and are nicely located inside some open cavities. Real nice specimen of 6.5x5.5x3.5 cm. Ex M. Wrigley collection

Rubtsovskiy mine, Altai, Russia - Clusterr of bright  terminated cuprite crystals up to 1-1.2 cm on the edge. I count more than a dozen crystals !  Overall size is 3x2.5x2 cm