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Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
This is a stilbite tectosilicate mineral.
Orthoclase, or orthoclase feldspar (KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The close-up image shows several Orthoclase crystals.
gmelinite with analcime from Five Islands, Canada isolated on white background
A white quartz geode
View of colemanite mineral (bor, boron, borax, ulexite). It is a borate mineral found in evaporite deposits of alkaline lacustrine environments. It is a secondary mineral that forms.
Sea salt grain on a dark background
white stilbite with calcite rock specimen
Mineral sphalerite
zeolite mineral isolated on the white background
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Crystals, macro against white organic background
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.
Beautiful minerals and crystals of stilbite and apophyllite partially on a white background.
aquamarine, beautiful Brazilian blue gemstone on white background
Macro stone albite mineral on black close up
Quarz und Forberit, China, Yapgamgxian Mine
This is a dolomite anhydrous carbonate composed of calcium magnesium carbonate mineral rock.
zeolite a naturally occuring mineral in volcainic rocks due to groundwater crystalisat
Optically pure, transparent, colorless crystal of calcite of complex habit on rock from 2nd Sovetskii Mine, Dalnegorsk, Russia. Collection mineral isolated on white background
Boron Mineral
chabazite from Errachidia, Morocco isolated on white background
Gemstone Abstract - Geology Crystals
Calcit in white, a common mineral on a black background with a reflection
Aragonite
greenish crystal apatite mineral sample, science geology
Large Quartz Stone - Close-up image. A Beautiful geological piece well illuminated. is a hard, crystalline mineral composed of silica (silicon dioxide).
mineral specimen stone rock geology gem crystal
papayain with milk the food processor view from above
Free Images: "bestof:Stilbite et apophyllite (Inde).jpg cristaux de stilbite et cristal d'apophyllite Own 2008-11-21 Parent Géry Stilbite Apophyllite Taken with Nikon D90"
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