High-definition image of calcite and sphalerite specimen from the USGS mineral collection. Image shows layered structure and metallic inclusions.
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Calcite and Sphalerite Specimen
High-definition image of calcite and sphalerite specimen from the USGS mineral collection. Image shows layered structure and metallic inclusions.
Aluminum
Isolated aluminum specimen from the USGS mineral collection. High-definition image showing metallic texture and matte surface.
Isolated aluminum specimen from the USGS mineral collection. High-definition image showing metallic texture and matte surface.
Almandite and Calcite Specimen
Isolated USGS mineral specimen featuring almandite garnet and calcite. High-definition image showing crystal structure and contrasting color.
Isolated USGS mineral specimen featuring almandite garnet and calcite. High-definition image showing crystal structure and contrasting color.
Gold Ore – 14 oz/ton
High-definition image of gold ore specimen with 14 oz per short ton. Isolated USGS mineral sample showing granular texture and metallic highlights.
High-definition image of gold ore specimen with 14 oz per short ton. Isolated USGS mineral sample showing granular texture and metallic highlights.
Gold Ore with Pyrrhotite, Galena, Sphalerite & Pyrite
Gold Ore with Pyrrhotite, Galena, Sphalerite & PyriteUSGS mineral specimen featuring gold ore with pyrrhotite, galena, sphalerite, and pyrite. High-definition image showing complex texture and metallic inclusions.
Gold Ore with Pyrrhotite, Galena, Sphalerite & Pyrite
Gold Ore with Pyrrhotite, Galena, Sphalerite & PyriteUSGS mineral specimen featuring gold ore with pyrrhotite, galena, sphalerite, and pyrite. High-definition image showing complex texture and metallic inclusions.
Graphite Lump 2
High-definition image of graphite clump specimen showing layered texture and dark gray color.
High-definition image of graphite clump specimen showing layered texture and dark gray color.
Gypsum Specimen 2
High-definition image of gypsum specimen showing fibrous texture and pale coloration. Isolated USGS mineral sample.
High-definition image of gypsum specimen showing fibrous texture and pale coloration. Isolated USGS mineral sample.
Kyanite Specimen 2
High-definition image of kyanite specimen with fibrous texture and pale blue hue.
High-definition image of kyanite specimen with fibrous texture and pale blue hue.
Lead-Zinc-Copper Ore 2
High-definition image of lead-zinc-copper ore specimen with granular structure and metallic inclusions.
High-definition image of lead-zinc-copper ore specimen with granular structure and metallic inclusions.
Magnetite with Minnesotaite
Isolated specimen of magnetite with minnesotaite and iron. High-definition image from the USGS mineral collection showing layered texture and dark coloration.
Isolated specimen of magnetite with minnesotaite and iron. High-definition image from the USGS mineral collection showing layered texture and dark coloration.
Nickel Sample
Isolated nickel specimen from the USGS mineral collection. High-definition image showing metallic surface and smooth texture.
Isolated nickel specimen from the USGS mineral collection. High-definition image showing metallic surface and smooth texture.
Oil Shale Sample 2
High-definition image of oil shale specimen with fine-grained texture and dark coloration.
High-definition image of oil shale specimen with fine-grained texture and dark coloration.
Pyrite Crystal
Isolated pyrite specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.
Isolated pyrite specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.
Quartz Crystal 2
High-definition image of quartz specimen with visible inclusions and prismatic structure.
High-definition image of quartz specimen with visible inclusions and prismatic structure.
Quartz Crystal 3
USGS mineral specimen of quartz. High-definition image showing clear crystal faces and internal reflections.
USGS mineral specimen of quartz. High-definition image showing clear crystal faces and internal reflections.
Sandstone Sample
Isolated sandstone specimen from the USGS mineral collection. High-definition image showing layered texture and earthy tones.
Isolated sandstone specimen from the USGS mineral collection. High-definition image showing layered texture and earthy tones.
Sandstone Sample 2
High-definition image of sandstone specimen with fine-grained texture and reddish hue.
High-definition image of sandstone specimen with fine-grained texture and reddish hue.
Silica Sand Quartz Grain
Isolated quartz grain from silica sand. High-definition image showing rounded texture and translucent color.
Isolated quartz grain from silica sand. High-definition image showing rounded texture and translucent color.
Silicon Carbide Sample
Isolated silicon carbide specimen from the USGS mineral collection. High-definition image showing crystalline texture and dark coloration.
Isolated silicon carbide specimen from the USGS mineral collection. High-definition image showing crystalline texture and dark coloration.
Silicon Metal Sample
High-definition image of silicon metal specimen with shiny surface and granular structure.
High-definition image of silicon metal specimen with shiny surface and granular structure.
Silver Ore Sample
SGS mineral specimen of silver ore. High-definition image showing metallic luster and rough texture.
SGS mineral specimen of silver ore. High-definition image showing metallic luster and rough texture.