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chromian grossular from Jeffrey Mine, Asbestos, Canada isolated on white background
kyanite mineral stone sample with white background
color natural mineral collection as nice background
Granite Igneous rock sample from Shap in the UK Lake District with distinct pink Feldspar crystals
A 3D rendering illustration of crystal rocks isolated on a white background
A piece of cut glass resembling a diamond backlighted and blue.
3D Abstract object
Piece of shapeless ice isolated on white background
aquamarine crystal on matrix from Afghanistan isolated on white background
Blue and orange quartzite.
Large museum piece isolated on white. Black Tourmaline on quartz with Muscovite.
crystaline Barite or Barytes mineral sample- clear or translucent dense mineral collected from the UK
Quartz crystal
Abstract computer created image with geometric shapes in pleasing color schemes. Part of a series of three dimensional objects on colourful backgrounds.
Macro photo of axinite and quartz crystals on a black background
3D Abstract object
macro shooting of natural rock specimen - black Spinel crystal on black diopside gemstone isolated on white background
Close up of an olivine basalt lava rock.
Apache tear (obsidian) from the USA
Podium stage. Product presentation pedestal platform, podium stand. White pedestal platform on blue background
pyrrhotite iron sulfide rare earth mineral
Learning
3D rendered blue sphere with neon outlines on a black background.
Computer network security firewall protection\n\n++The World map texture derived from public domain NASA: http://visibleearth.nasa.gov.\nTraced in Illustrator. File created on November 29 2018++
Holographic element set pack isolated background 3d rendering
Metamorphic rock with a turquoise mineral layer.
macro shooting of specimen natural rock - Gabbro (basalt) mineral stone isolated on white background
Purple diamond
stone background grunge nature detail pattern
Blue pins connected via black strings with a white card. Representing spread map on pure white background.
Free Images: "bestof:Uniform polyhedron-33-t0.png Wikipedia English Wikipedia Tomruen Set of Platonic solids; simple ryb Tetrahedron"
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MEREDITH,_William_M-Treasury_(BEP_engraved_portrait).jpg
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Pennsylvania_state_coat_of_arms_(illustrated,_1876).jpg
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Wyoming_territory_coat_of_arms_(illustrated,_1876).jpg
State Arms of the Union (title page, illustrated, 1876).jpg
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