“A specimen of metallic copper is covered with tiny cappilary "hairs" of the variety of cuprite called chalcotrichite. In the Charles Creekmur collection. This specimen was collected in the early 1950's before the dumps were fenced off and everything made unaccesable. ”
“A specimen of metallic copper is covered with tiny cappilary "hairs" of the variety of cuprite called chalcotrichite. In the Charles Creekmur collection. This specimen was collected in the early 1950's before the dumps were fenced off and everything made unaccesable. ”