An aesthetic and really interesting specimen. Four well-formed cuprite crystals with tiny green brochantite crystals and blue connellite puffballs, sitting on a bed of white smithsonite stained by goethite. Then under longwave UV, you can...
Pale greenish marshite(!) crystal with dark cuprite crystals and white dolomite. The marshite fluoresces strongly red with Convoy UV torch. There are three other areas of the specimen that also fluoresce bright red, but individual...
ex Bernie and Margaret Day Collection
ex Bernie and Margaret Day Collection
Labelled as fresnoite from Rush Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California. Actually marshite, etc. Ex Joan Lamond Collection, ex Roger Colling Collection.
Labelled as fresnoite from Rush Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California. Actually marshite, etc. Ex Joan Lamond Collection
