Group of quartz specimens from the USGS mineral collection. High-definition image showing varied crystal forms and textures.
Images
Images
Filter Total Items: 274
Quartz Group Sample
Group of quartz specimens from the USGS mineral collection. High-definition image showing varied crystal forms and textures.
Silicon Metal Macro View
Macro image of silicon metal specimen showing detailed texture and metallic surface.
Macro image of silicon metal specimen showing detailed texture and metallic surface.
Sphalerite Specimen 2
High-definition image of sphalerite specimen with dark coloration and crystal structure.
High-definition image of sphalerite specimen with dark coloration and crystal structure.
Sphalerite Specimen 4
USGS mineral specimen of sphalerite. High-definition image showing layered texture and metallic inclusions.
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.
Chalcopyrite, Pentlandite & Pyrrhotite Specimen
Isolated USGS mineral specimen featuring chalcopyrite, pentlandite, and pyrrhotite. High-definition image showing metallic texture and layered structure.
Isolated USGS mineral specimen featuring chalcopyrite, pentlandite, and pyrrhotite. High-definition image showing metallic texture and layered 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.
Ferrochromium Low Carbon Sample 2
Isolated USGS mineral specimen of low-carbon ferrochromium. High-definition image showing smooth metallic surface.
Isolated USGS mineral specimen of low-carbon ferrochromium. High-definition image showing smooth metallic surface.
Chrysocolla Specimen 2
High-definition image of chrysocolla specimen with rough texture and turquoise coloration.
High-definition image of chrysocolla specimen with rough texture and turquoise coloration.
Enargite Specimen 2
High-definition image of enargite specimen with granular texture and dark metallic color.
High-definition image of enargite specimen with granular texture and dark metallic color.
Galena Specimen
Isolated galena specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.
Isolated galena specimen from the USGS mineral collection. High-definition image showing cubic structure and metallic luster.
Galena and Chalcopyrite Specimen
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.
Garnet Crystal
Garnet specimen from the USGS mineral collection. High-definition image showing dodecahedral crystal structure and deep red color.
Garnet specimen from the USGS mineral collection. High-definition image showing dodecahedral crystal structure and deep red color.
Garnet Crystal 2
High-definition image of garnet specimen with visible crystal faces and rich coloration.
High-definition image of garnet specimen with visible crystal faces and rich coloration.
Gold Ore Sample
Isolated gold ore specimen from the USGS mineral collection. High-definition image showing granular texture and metallic highlights.
Isolated gold ore specimen from the USGS mineral collection. High-definition image showing granular texture and metallic highlights.
Skeletal Gypsum 2
High-definition image of skeletal gypsum specimen with delicate crystal formations and white color.
High-definition image of skeletal gypsum specimen with delicate crystal formations and white color.
Martite (Hematite Variety)
Isolated martite variety of hematite from the USGS mineral collection. High-definition image showing metallic luster and granular structure.
Isolated martite variety of hematite from the USGS mineral collection. High-definition image showing metallic luster and granular structure.