Isolated oil shale specimen from the USGS mineral collection. High-definition image showing layered texture and dark organic material.
Images
Images
Filter Total Items: 274
Oil Shale Sample 1
Isolated oil shale specimen from the USGS mineral collection. High-definition image showing layered texture and dark organic material.
Sandstone Group Sample
Group of sandstone specimens from the USGS mineral collection. High-definition image showing varied textures and color tones.
Group of sandstone specimens from the USGS mineral collection. High-definition image showing varied textures and color tones.
Silicon Sample 3
USGS mineral specimen of silicon. High-definition image showing fine-grained texture and metallic sheen.
USGS mineral specimen of silicon. High-definition image showing fine-grained texture and metallic sheen.
Silver-Bismuth Ore
Isolated silver-bismuth ore specimen from the USGS mineral collection. High-definition image showing metallic inclusions and granular texture.
Isolated silver-bismuth ore specimen from the USGS mineral collection. High-definition image showing metallic inclusions and granular texture.
Sphalerite Specimen 6
Isolated sphalerite specimen from the USGS mineral collection. High-definition image showing granular texture and dark luster.
Isolated sphalerite specimen from the USGS mineral collection. High-definition image showing granular texture and dark luster.
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.
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.
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 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.
Fluorite Crystal
Isolated fluorite specimen from the USGS mineral collection. High-definition image showing cubic structure and vibrant color.
Isolated fluorite specimen from the USGS mineral collection. High-definition image showing cubic structure and vibrant color.
Fluorspar Specimen 2
High-definition image of fluorspar specimen showing translucent texture and pale purple color.
High-definition image of fluorspar specimen showing translucent texture and pale purple color.
Garnierite Specimen
Isolated garnierite specimen from the USGS mineral collection. High-definition image showing greenish hue and fibrous texture.
Isolated garnierite specimen from the USGS mineral collection. High-definition image showing greenish hue and fibrous texture.
Germanium Sample
Isolated germanium specimen from the USGS mineral collection. High-definition image showing metallic luster and smooth surface.
Isolated germanium specimen from the USGS mineral collection. High-definition image showing metallic luster and smooth surface.
Germanium Metal Sample
High-definition image of refined germanium metal specimen showing shiny surface and silvery color.
High-definition image of refined germanium metal specimen showing shiny surface and silvery color.
Gold Ore Sample 2
High-definition image of gold ore specimen with visible mineral inclusions and rough surface.
High-definition image of gold ore specimen with visible mineral inclusions and rough surface.
Gold Ore – Carlin Type
Isolated gold ore specimen from Carlin-type deposit. High-definition image showing fine-grained texture and subtle gold content.
Isolated gold ore specimen from Carlin-type deposit. High-definition image showing fine-grained texture and subtle gold content.
Gold Ores Collection
Group of gold ore specimens from the USGS mineral collection. High-definition image showing varied textures and mineral compositions.
Group of gold ore specimens from the USGS mineral collection. High-definition image showing varied textures and mineral compositions.
Graphite in Pegmatite
USGS mineral specimen of graphite crystals in pegmatite rock. High-definition image showing flaky texture and contrasting matrix.
USGS mineral specimen of graphite crystals in pegmatite rock. High-definition image showing flaky texture and contrasting matrix.