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small gray shiny metallic nugget just found by searchers on the white background
A copper mine ore nugget.
cassiterite crystal on matrix from Panasqueira Mine, Portugal isolated on white background
Hematite crystal background.
Magnetite (natural magnet, iron ore) detail close-up semi-precious gemstone macro
Rutile is one of the five forms of titanium dioxide found in nature. Isolated on white. The foreground corner is focused. Edges are not in focus. Used in alloys, for electrodes in arc lights, to give a yellow color to porcelain and false teeth. Also known as Cajuelite, Crispite, Dicksbergite, Edisonite, Gallitzinite,
Olivine gemstone, peridot
Pegmatite rock close up with many crystals.
Plutonic rock, mixture of various minerals, similar to granite.
Sphalerite, aka Zinc Sulfide, is a n important ore of zinc. It is often found with dolomite - the white formation around it and other minerals. The specimen was collected in Beamsville, Ontario
cassiterite (tin ore) from Viloco, Bolivia isolated on white background
Turmalin quartz
Autinite crystal, green fluorescent and radioactive mineral under UV light at private rock collection.
rough gemstones on white background
vivianite mineral specimen stone rock geology gem crystal
Magnified close up of granite rock with black mica
Sphalerite zinc ore mineral stone isolated on black background. For geology or mineralogy websites, stone collection catalog, Natural Science museum wall charts or posters.
sunstone mineral stone sample macro photography
cubic grossular from Siberia, Russia isolated on white background
Sugar under microscope
muscovite (mica) sheet. macro detail texture background. close-up raw rough unpolished semi-precious gemstone
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magnetite iron metal mineral sample, a rae earth mineral
Layered maroon and light speckled rock magnified.
Rock with peridot olivine mineral, black background. Close-up, macro
Epidote mineral stone
Closeup of a block of mica schist from an old cobalt mine on Great Hill in Meshomasic State Forest in East Hampton, Connecticut.
Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity
macro mineral Acanthite stone on a black background close-up
glaucophane schist mineral sample under light microscopy
Free Images: "bestof:Thorianite w-Phlogopite and Diopside Thorium Oxide Huddersfield Township Quebec.jpg These mineral images are free to use how you wish Own 2007-04-15 Dave Dyet"
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Centris_lanosa,_F,_Side,_FL,_Torreya_2014-10-09-16.09.01_ZS_PMax.jpg
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Brown bear fishing ursus middendorffi.jpg
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Brown bear mammal ursus middendorffi.jpg
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