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Quartz Crystals
native gold on clear quartz from Eagle Mine, Colorado isolated on white background
quartz crystal specimen
Crystal raw ore
artificial smoked quartz citrine. macro detail texture background. close-up raw rough unpolished semi-precious gemstone
Closeup of a rock crystal on black
Druse of quartz crystals, calcite and siderite spherulites from Nikolaevskiy Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Close-up of crystals of minerals on the summit of Mount Roraima, Roraima, Bolivar State, Venezuela.
Macro stone mineral Quartz crystals on a black background close up
Rock  crystal from USA
rock crystal on dolomite from Styria, Austria isolated on white background
prismatic quartz mineral clusters on rock specimens from the UK
White quartz crystal isolated on black background
Beautiful giant quartz crystal shining light
Terminated transparent quartz crystals, surrounded by smaller growths. From Arkansas, United States.
Emerald crystal background.
Arsenopyrite with Wolframite and Quartz
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.
native gold on clear quartz from Eagle Mine, Colorado
Druse of quartz crystals coated with calcite and number of rare minerals from 2nd Sovetskii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Boron Mineral
white crystal mineral texture as nice background
Pure quartz crystal isolated on the black background.
aragonite mineral specimen stone rock geology gem crystal in New York, New York, United States
Smoky quartz
the quartz crystals isolated on a black background
Large Quartz Stone - Close-up image.  A Beautiful geological piece well illuminated. is a hard, crystalline mineral composed of silica (silicon dioxide).
Calcite gem, close-up, isolated on a white background. Minerals in Europe
Magnified close up quartz with granite inclusion.
Free Images: "bestof:Sidérite maclée sur quartz 3 (Maroc).jpg macle de cristaux de sidérite sur cristaux de quartz Own 11/12/08 Parent Géry Siderite Quartz Taken with Nikon D90"
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