Group of calcite specimens from the USGS mineral collection. High-definition image showing varied textures and crystal forms.
Images
Images from the Geology, Energy and Minerals Mission Area
Filter Total Items: 565
Calcite Group Sample
Group of calcite specimens from the USGS mineral collection. High-definition image showing varied textures and crystal forms.
Calcite Group Sample 2
High-definition image of multiple calcite specimens showing diverse crystal structures and color variations
High-definition image of multiple calcite specimens showing diverse crystal structures and color variations
Calcite Marble
Isolated calcite marble specimen from the USGS mineral collection. High-definition image showing fine-grained texture and white coloration.
Isolated calcite marble specimen from the USGS mineral collection. High-definition image showing fine-grained texture and white coloration.
Calcite Marble 2
High-definition image of calcite marble specimen with smooth surface and subtle veining.
High-definition image of calcite marble specimen with smooth surface and subtle veining.
Calcite with Sphalerite
USGS mineral specimen of calcite with sphalerite inclusions. High-definition image showing crystal structure and metallic highlights.
USGS mineral specimen of calcite with sphalerite inclusions. High-definition image showing crystal structure and metallic highlights.
Calcite Travertine
Isolated travertine specimen from the USGS mineral collection. High-definition image showing banded texture and earthy color.
Isolated travertine specimen from the USGS mineral collection. High-definition image showing banded texture and earthy color.
Chalcopyrite Specimen
Isolated chalcopyrite specimen from the USGS mineral collection. High-definition image showing metallic luster and granular texture.
Isolated chalcopyrite specimen from the USGS mineral collection. High-definition image showing metallic luster and granular texture.
Chalcopyrite Specimen 2
High-definition image of chalcopyrite specimen showing brassy color and crystal structure.
High-definition image of chalcopyrite specimen showing brassy color and crystal structure.
Chalcopyrite, Pentlandite & Pyrrhotite Specimen 2
High-definition image of chalcopyrite, pentlandite, and pyrrhotite specimen showing metallic luster and granular structure.
High-definition image of chalcopyrite, pentlandite, and pyrrhotite specimen showing metallic luster and granular structure.
Chromium Chromite Sample 2
Isolated specimen of chromium chromite from the USGS mineral collection. High-definition image showing coarse texture and metallic sheen.
Isolated specimen of chromium chromite from the USGS mineral collection. High-definition image showing coarse texture and metallic sheen.
Chromium Chromite Sample 3
High-definition image of chromite specimen with visible crystal grains and dark coloration.
High-definition image of chromite specimen with visible crystal grains and dark coloration.
Ferrochromium Sample
Isolated ferrochromium specimen from the USGS mineral collection. High-definition image showing metallic texture and silvery color.
Isolated ferrochromium specimen from the USGS mineral collection. High-definition image showing metallic texture and silvery color.
Ferrochromium Low Carbon Sample 1
High-definition image of low-carbon ferrochromium specimen showing fine-grained metallic texture.
High-definition image of low-carbon ferrochromium specimen showing fine-grained metallic texture.
Cobalt
High-definition image of an isolated cobalt specimen from the USGS mineral collection, showcasing its metallic luster, dense structure, and bluish-gray coloration.
High-definition image of an isolated cobalt specimen from the USGS mineral collection, showcasing its metallic luster, dense structure, and bluish-gray coloration.
Columbite-Tantalite Sample 1
Isolated high-resolution image of columbite-tantalite ore, a mineral specimen from the USGS collection, highlighting its granular texture and crystal structure.
Isolated high-resolution image of columbite-tantalite ore, a mineral specimen from the USGS collection, highlighting its granular texture and crystal structure.
Columbite-Tantalite Sample 2
Isolated high-resolution image of columbite-tantalite ore, a mineral specimen from the USGS collection, highlighting its granular texture and crystal structure.
Isolated high-resolution image of columbite-tantalite ore, a mineral specimen from the USGS collection, highlighting its granular texture and crystal structure.
Copper Ingot
High-resolution image of a copper ingot from the USGS mineral collection, featuring smooth surfaces, reddish-brown color, and metallic sheen.
High-resolution image of a copper ingot from the USGS mineral collection, featuring smooth surfaces, reddish-brown color, and metallic sheen.
Raw Copper
Isolated high-definition image of raw copper, highlighting its natural reddish tones, rough texture, and unrefined structure from the USGS collection.
Isolated high-definition image of raw copper, highlighting its natural reddish tones, rough texture, and unrefined structure from the USGS collection.
Covellite and Pyrite 2
Isolated mineral specimen featuring covellite and pyrite, captured in high resolution to emphasize the contrast between blue and gold metallic textures.
Isolated mineral specimen featuring covellite and pyrite, captured in high resolution to emphasize the contrast between blue and gold metallic textures.
Dolomite with Sphalerite
High-definition image of dolomite with sphalerite, showing the white crystalline dolomite matrix interspersed with dark, resinous sphalerite crystals.
High-definition image of dolomite with sphalerite, showing the white crystalline dolomite matrix interspersed with dark, resinous sphalerite crystals.
Enargite Specimen
Isolated enargite specimen from the USGS mineral collection. High-definition image showing metallic luster and crystal structure.
Isolated enargite specimen from the USGS mineral collection. High-definition image showing metallic luster and crystal structure.