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This Specimen has been sold.
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4.4" Rosasite and Selenite Crystal Association - Morocco
This colorful specimen contains blue-green colored rosasite crystals, enshrouded in a thin layer of beautifully transparent selenite crystal. Small spots of blue, likely azurite, can be found scattered across the exterior of the rock matrix. Along one edge of this specimen, a pokcet of dolomite crystals van be found. It comes with an acrylic display stand.
Rosasite is a secondary mineral that forms in oxidation zones of copper-zinc deposits, generally forming a fibrous botryoidal sphere that can appear vitreous and silky. While typically featuring a blue-green color, colorless specimens are not unheard of. The chemical formula of rosasite is CuZnCO3(OH)2.
Selenite is a variety of gypsum, a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4 · H2O). When chemically pure, gypsum is transparent and colorless, but impurities give the gypsum a diverse range of colors and formations. Desert rose selenite and satin spar are just a few of the varieties of gypsum known to have formed though hydrothermal processes.
SPECIES
Rosasite, Dolomite & Selenite
LOCATION
Bou Bekker, Touissit, Morocco.
SIZE
4.4 x 3.6"
CATEGORY
ITEM
#104174
