Cuprite on Chrysocolla Siderite rich sienna-red colored 9 mm

rich sienna-red colored 9 mm crystal of Brookite is aesthetically flaring off the contrasting host rock matrix

These new stones according to GIA "showed a very weak red fluorescence under long-wave ultraviolet light and an irregular chalky yellow fluorescence reaction under short-wave UV

you can see thin acicular / “needle”-like crystals of what is most likely Goethite but could possibly be Lepidocrocite

but the little micro crystals that are scattered all over the piece

Specimen # BOL711B270

Cuprite on Chrysocolla Siderite rich sienna-red colored 9 mmThe famous Mashamba West Mine in DR Congo has produced some of the finest crystallized examples of Cuprite ever known. What makes these crystals so desirable is their superb form, sharpness, luster, intense blood red color, but they are sometimes found in association with beautifully contrasting Chrysocolla. This small cabinet display specimen features a good sized cluster of very sharp, lustrous, well formed, metallic, octahedral crystals (some show