USGS mineral specimen of sphalerite. High-definition image showing layered texture and metallic inclusions.
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Sphalerite Specimen 4
USGS mineral specimen of sphalerite. High-definition image showing layered texture and metallic inclusions.
Sphalerite Specimen 8
USGS mineral specimen of sphalerite. High-definition image showing crystal structure and dark coloration.
USGS mineral specimen of sphalerite. High-definition image showing crystal structure and dark coloration.
Sylvite, Halite & Polyhalite
Isolated specimen featuring sylvite, halite, and polyhalite. High-definition image showing crystal textures and varied coloration.
Isolated specimen featuring sylvite, halite, and polyhalite. High-definition image showing crystal textures and varied coloration.
Argentiferous Tetrahedrite 2
High-definition image of argentiferous tetrahedrite specimen with dark coloration and metallic inclusions.
High-definition image of argentiferous tetrahedrite specimen with dark coloration and metallic inclusions.
Wolframite (Tungsten Ore) 1
High-definition image of wolframite specimen with granular texture and black coloration.
High-definition image of wolframite specimen with granular texture and black coloration.
Zincite Specimen
High-definition image of zincite specimen with reddish-orange color and granular texture.
High-definition image of zincite specimen with reddish-orange color and granular texture.
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.
Blue Calcite 2
High-definition image of blue calcite specimen with layered crystal structure and pale blue hue.
High-definition image of blue calcite specimen with layered crystal structure and pale blue hue.
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.
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.
Covellite and Pyrite
High-definition image of covellite with pyrite, showing the deep blue iridescence of covellite alongside the brassy metallic luster of pyrite in a single specimen.
High-definition image of covellite with pyrite, showing the deep blue iridescence of covellite alongside the brassy metallic luster of pyrite in a single specimen.
Franklinite, Zincite & Calcite Specimen
Isolated USGS mineral specimen featuring franklinite, zincite, and calcite. High-definition image showing contrasting textures and colors.
Isolated USGS mineral specimen featuring franklinite, zincite, and calcite. High-definition image showing contrasting textures and colors.
Gold Ore – 0.5 oz/ton
USGS mineral specimen of gold ore with 0.5 oz per short ton. High-definition image showing granular texture and metallic flecks.
USGS mineral specimen of gold ore with 0.5 oz per short ton. High-definition image showing granular texture and metallic flecks.
Skeletal Gypsum 1
Isolated skeletal gypsum specimen from the USGS mineral collection. High-definition image showing intricate crystal structure.
Isolated skeletal gypsum specimen from the USGS mineral collection. High-definition image showing intricate crystal structure.
Lithium Spodumene 1
Isolated spodumene specimen from the USGS mineral collection. High-definition image showing prismatic structure and pale color.
Isolated spodumene specimen from the USGS mineral collection. High-definition image showing prismatic structure and pale color.
Lithium Spodumene 2
High-definition image of spodumene specimen with fibrous texture and light green hue.
High-definition image of spodumene specimen with fibrous texture and light green hue.
Magnesite (Magnesium Ore)
Isolated magnesite specimen from the USGS mineral collection. High-definition image showing granular texture and pale coloration.
Isolated magnesite specimen from the USGS mineral collection. High-definition image showing granular texture and pale coloration.