Isolated clear calcite specimen from the USGS mineral collection. High-definition image showing transparent crystal structure.
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Clear Calcite
Isolated clear calcite specimen from the USGS mineral collection. High-definition image showing transparent crystal structure.
Calcite Group Sample
Group of calcite specimens from the USGS mineral collection. High-definition image showing varied textures and crystal forms.
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 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.
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.
Chromite Specimen
Isolated chromite specimen from the USGS mineral collection. High-definition image showing granular texture and dark coloration.
Isolated chromite specimen from the USGS mineral collection. High-definition image showing granular texture and dark coloration.
Chromium Chromite Sample 1
High-definition photography of a chromium-rich chromite specimen from the USGS mineral collection. Image highlights granular texture and dark color.
High-definition photography of a chromium-rich chromite specimen from the USGS mineral collection. Image highlights granular texture and dark color.
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.
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.
Galena Specimen 2
High-definition image of galena specimen showing crystal faces and silvery-gray color.
High-definition image of galena specimen showing crystal faces and silvery-gray color.
Galena and Chalcopyrite Specimen 2
USGS mineral specimen featuring galena and chalcopyrite. High-definition image showing metallic textures and color contrast.
USGS mineral specimen featuring galena and chalcopyrite. High-definition image showing metallic textures and color contrast.
Garnierite Specimen 2
Isolated garnierite specimen from the USGS mineral collection. High-definition image showing green coloration and earthy texture.
Isolated garnierite specimen from the USGS mineral collection. High-definition image showing green coloration and earthy texture.
Hafnium Crystal Bar
High-definition image of hafnium crystal bar showing shiny surface and refined structure.
High-definition image of hafnium crystal bar showing shiny surface and refined structure.
Iron Ore – Hematite
USGS mineral specimen of hematite iron ore. High-definition image showing dense texture and reddish-black coloration.
USGS mineral specimen of hematite iron ore. High-definition image showing dense texture and reddish-black coloration.
Manganese Sample
Isolated manganese specimen from the USGS mineral collection. High-definition image showing metallic texture and dark gray color.
Isolated manganese specimen from the USGS mineral collection. High-definition image showing metallic texture and dark gray color.
Manganese Nodule
USGS mineral specimen of manganese nodule. High-definition image showing rounded structure and layered texture.
USGS mineral specimen of manganese nodule. High-definition image showing rounded structure and layered texture.
Pyrolusite (Manganese Ore) 1
Isolated pyrolusite specimen from the USGS mineral collection. High-definition image showing fibrous texture and metallic luster.
Isolated pyrolusite specimen from the USGS mineral collection. High-definition image showing fibrous texture and metallic luster.
Molybdenite Specimen 2
High-definition image of molybdenite specimen with silvery luster and flaky structure.
High-definition image of molybdenite specimen with silvery luster and flaky structure.