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Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
Druse of quartz crystals coated with calcite and number of rare minerals from 2nd Sovetskii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Pegmatite rock close up with many crystals.
A close-up shot of crystal stone mineral specimen isolated on gray background
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
A raw cluster of pyrite, galena, limonite, calcite and sphalerite isolated on a white background surface macro. A variety of crystallised sulfide, hydroxide, iron and silicate minerals in matrix.
Close-up view of pyrite
crystals background (natural lead texture from nature)
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.
Bournonite with white Quartz
Zinc blende mineral
White small crystals of calcite on an aggregate of black sphalerite crystals from 2nd Sovetskii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Amber Crystals
mineral specimen stone rock geology gem crystal
Magnified close up of an igneous rock with metallic minerals in the cracks.
white raw mineral Quartz, Calcite and Carbonate
Colorful Crystal texture, design element for use.
Orange calcite From Poland. macro photography detail texture background. close-up raw rough unpolished semi-precious gemstone
natural mineral specimen of Quartz with distinct prismatic crystals. A very hard mineral composed of Silicon Dioxide and teh second most abundant mineral in the Earth's crust
Druse of calcite crystals, coloured yellow by iron oxides from Nikolaevskiy Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Quartz and calcite cave crystals with Hematite
Quartz crystals,zinc blend and beautiful pyrite
Silver ore in original condistion as found in a silver mine. The close-up image shows a peace of arround 20cm.
Close-up of stunning yellow-green pyrite crystals nestled atop a calcite pyramid. This exceptional mineral specimen hails from Dalnegorsk, Russia, and captures the synergy of nature's artistry. Ideal for geology publications, marketing campaigns, or educational materials.
Minerals collection
mineral specimen stone rock geology gem crystal
Pegmatite mineral close up
Magnetite on white background
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Free Images: "bestof:Réalgar, calcite, goethite (USA).jpg cristaux de réalgar de calcite et de goethite Own 2008-12-19 Parent Géry Realgar Taken with Nikon D90"
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