Isolated garnierite specimen from the USGS mineral collection. High-definition image showing greenish hue and fibrous texture.
Images
Images
Isolated garnierite specimen from the USGS mineral collection. High-definition image showing greenish hue and fibrous texture.
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.
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.
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.
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.
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.
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.
Isolated hafnium specimen from the USGS mineral collection. High-definition image showing metallic luster and smooth surface.
Isolated hafnium specimen from the USGS mineral collection. High-definition image showing metallic luster and smooth surface.
Isolated kyanite specimen from the USGS mineral collection. High-definition image showing bladed crystal structure and blue color.
Isolated kyanite specimen from the USGS mineral collection. High-definition image showing bladed crystal structure and blue color.
USGS mineral specimen featuring kyanite and pyrite. High-definition image highlighting fibrous structure and metallic inclusions.
USGS mineral specimen featuring kyanite and pyrite. High-definition image highlighting fibrous structure and metallic inclusions.
USGS mineral specimen of lead-zinc-copper ore. High-definition image showing layered texture and varied coloration.
USGS mineral specimen of lead-zinc-copper ore. High-definition image showing layered texture and varied coloration.
High-definition image of ore specimen with visible lead, zinc, and copper minerals. Isolated USGS sample.
High-definition image of ore specimen with visible lead, zinc, and copper minerals. Isolated USGS sample.
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.
High-definition image of magnesite specimen with earthy texture and white-gray tones.
High-definition image of magnesite specimen with earthy texture and white-gray tones.
USGS mineral specimen of nickel-copper matte. High-definition image showing granular texture and metallic luster.
USGS mineral specimen of nickel-copper matte. High-definition image showing granular texture and metallic luster.
Isolated brown obsidian specimen from the USGS mineral collection. High-definition image showing glassy texture and conchoidal fracture.
Isolated brown obsidian specimen from the USGS mineral collection. High-definition image showing glassy texture and conchoidal fracture.
USGS mineral specimen showing chromite band in gabbro with platinum content. High-definition image highlighting layered structure and dark coloration.
USGS mineral specimen showing chromite band in gabbro with platinum content. High-definition image highlighting layered structure and dark coloration.
High-definition image of platinum-bearing chromite band in gabbro. Isolated USGS mineral specimen showing granular texture and metallic inclusions.
High-definition image of platinum-bearing chromite band in gabbro. Isolated USGS mineral specimen showing granular texture and metallic inclusions.
USGS mineral specimens used in scratch test. High-definition image showing malachite, copper, galena, and pyrite with varied textures and colors.
USGS mineral specimens used in scratch test. High-definition image showing malachite, copper, galena, and pyrite with varied textures and colors.
High-definition image of silicon specimen with smooth surface and silvery-gray color.
High-definition image of silicon specimen with smooth surface and silvery-gray color.
Isolated USGS mineral specimen of vesicular basalt. High-definition image showing porous top texture and dark volcanic color.
Isolated USGS mineral specimen of vesicular basalt. High-definition image showing porous top texture and dark volcanic color.