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A copper mine ore nugget.
vibrant blue rosasite and calcite crystal mineral sample on granite
Tourmaline embedded on a quartz crystal isolated on the black background.
Anhydrite is a calcium sulfate
Calcite under Short wave ultraviolet appearing green. Specimen From photography isolated on black background. macro detail close-up rough raw unpolished
torbernite (uranium ore) from Margabal Mine, France isolated on white background
Zinc blende mineral
Cluster of Very Radioactive and green Torbernite Mineral
nephrite mineral stone
Close-up of naturally occurring rare crystalline ore
Calcite carbonate minerale, crystal structure close-up image.
Museum piece. Annabergite is a nickel arsenate mineral.
Emerald crystal background.
fluorescence of Autunite radioactive mineral
Mineral sphalerite
Raw Rosasite copper zinc carbonate hydroxide formation
turquoise mineral stone
Single Rock on White Background
Barite or Barytes is a naturally occuring mineral made of Barium Sulphate and the source of the element Barium. It is white or colourless and crystaline with a distinct heavy density. Mined to be used in paint and paper production and in the oil industry.
gillardite from 132 North Ni Mine, Australia isolated on white background
Boron Mineral
aragonite mineral texture as very nice background
This example of naturally occurring Sulphur was mined in southern Arizona.
fake artificial green quartz. macro detail texture background. close-up raw rough unpolished semi-precious gemstone
Orthoclase, or orthoclase feldspar (KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The close-up image shows several Orthoclase crystals.
Uvarovite (Garnets)
Triangle calcite crystal cluster from Turkey.\nCalcite is a mineral name and the chemical structure of this mineral, called carbonate rocks, is CaCO3. It is found in crystal form in various shapes (crystallizes as rhomboid, scalenoeder) and has a glassy, ​​colorless and transparent structure. It is easily ground and a white powder is obtained. Its hardness is 3 on Moh's scale and its density is 2.6-2.7.
Conichalcite mineral on black background.
Metamorphic rock with a turquoise mineral layer.
Free Images: "bestof:Conichalcite et calcite.jpg Cristaux de Conichalcite et cristaux de Calcite Own 2009-02-22 Parent Géry Conichalcite Calcite Green minerals Taken with Nikon D90"
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