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Quartz Crystals
A close-up shot of crystal stone mineral specimen isolated on gray background
calcite from Sauerland, Germany isolated on white background
Iceland Spar Calcite mineral specimen with distinctive rhombus crystal shape
Beautiful calcite yellow and green crystals in cluster
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Close-up of a calcite crystal with a triple cleavage. Calcite mineral sample on natural background. Mineral calcite crystal surface background. Selective focus.
Crystal raw ore
Sunny crystals on tree stump
A large crystal of Iceland spar / calcite which historians think was used as a navigation tool by Viking sailors as a sunstone, to seek out the sun on overcast days
Colemanite
Orthoclase, or orthoclase feldspar (KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The close-up image shows several Orthoclase crystals.
Cluster of several transparent yellow citrine crystals close-up, isolated on a black background
Sea salt grain on a dark background
isolated Rock Salt
barite rose crystal mineral sample,a rare earth mineral
Macro stone calcite mineral on white background close up
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.
Calcite twin from Bor Pit, Dalnegorsk, Russia. Collection mineral isolated on white background
macro shooting of collection natural rock - crystal of gypsum mineral stone
triangle calcite crystal cluster from China isolated on white background
Boron Mineral
smoky quartz texture as very nice natural background
Calcite carbonate minerale, crystal structure close-up image.
A closeup shot of a hard crystalline Quartz mineral isolated on black
Tourmaline embedded on a quartz crystal isolated on the black background.
Calcite crystals
Calcite mineral stone
Rock salt crystal cluster front view on black background, halite, the mineral form of sodium chloride, NaCl. Colorless and white cubes.
Close up of halite (rock salt, sodium chloride) crystals with cubic crystal structure. Image is about 4 inches (10 cm) across. When ground, halite is used for such things as road salt and table salt. This sample is from the Hutchinson Salt Mine, Hutchinson, Kansas, USA.
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