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rockon-ro:BLUE HALITE from the Devonian Prairie Evaporite Formation in Saskatchewan, Canada.
rockon-ro:AZURITE (Copper Carbonate) crystals from the Oumjrane Mine, Alnif, Morocco, Africa.
rockon-ro:GREEN TOURMALINE crystal from Brazil.
rockon-ro:CELESTITE (Strontium Sulfate) crystals from Bombetoka Bay, Mahajanja, Madagascar.
rockon-ro:PREHNITE (Calcium Aluminum Silicate) from Kayes Region, Mali, Africa. Translucent apple-gr
rockon-ro:BOTRYOIDAL CHALCEDONY (aka Grape Agate) (Silicon Dioxide) from Manakarra Beach, Mamuju, Su
rockon-ro:BLUE HALITE from the Devonian Prairie Evaporite Formation in Saskatchewan, Canada.
rockon-ro:ROSASITE (Copper Zinc Carbonate) and HEMIMORPHITE from Chihuahua, Mexico. Blue spheres of
rockon-ro:CHRYSOCOLLA from Katanga, Democratic Republic of Congo, Africa. Blue chrysocolla overgrowi
rockon-ro:Peridote crystals
rockon-ro:QUARTZ (Silicon Dioxide) crystal cluster from Minas Gerais, Brazil.
rockon-ro:BLUE HALITE from the Devonian Prairie Evaporite Formation in Saskatchewan, Canada.
rockon-ro:PETRIFIED WOOD from the Chinle Formation of Arizona. Colors are dependent on the chemistry
rockon-ro:PYRITE (Iron Sulfide on Marl) from Logrono, Spain (cubic crystal).
rockon-ro:GYPSUM (Calcium Sulfate) crystals, known as “desert rose”, from Ahumada Playa,
rockon-ro:RHODOCHROCITE (Manganese Carbonate) from Catamarca, Argentina. Pink rhodochrosite with whi
rockon-ro: FLUORITE and BARITE (Calcium Fluoride and Barium Sulfate) crystals from Hastings County
rockon-ro: CHRYSOCOLLA from Democratic Republic of Congo, Africa.
rockon-ro: AMMONITE (Dactylioceras Commune) from the Lower Jurassic (172 million years ago) of Bay
rockon-ro: CHALCANTHITE (Copper Sulfate) crystals that were grown in a laboratory by allowing a sat
rockon-ro: GREEN TOURMALINE crystal from Brazil. Photo taken with a microscope at 10X magnific
rockon-ro: GREEN TOURMALINE crystal from Brazil.
rockon-ro: This is some fantastic geology in the Rocky Mountains of Alberta, Canada. The high angled
rockon-ro: KYANITE (Aluminum Silicate) crystals with milky quartz from Minas Gerais, Brazil.
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