- New
Antofogasta, Chile
Safety guarantees
Delivery policy
Returns policy
Powellite on Brochantite, Antofagasta, Chile. Several dozen yellow, fluorescent crystals, approximately 1 mm in size, of this calcium molybdenum oxide, on a bed of acicular crystals of green brochantite (copper hydroxysulphate), all set in a siliceous matrix measuring 9 x 6 x 5 cm, excellent for ‘micro’ specimens