Basalt Breccia
Volcanic Breccia (composed of basaltic clasts in a fine-grained matrix)
igneous
Category
Anthropogenic Material
Browse anthropogenic material specimens identified by the Rock Identifier community.
Learn about Anthropogenic Material in the encyclopedia
View all →
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Milky Quartz with Matrix
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 with various cementing minerals)
sedimentary
Sandstone Pebble
Sandstone (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2 with various cementing agents)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Sandstone (clastic sedimentary rock)
sedimentary
Serpentine (Healerite variety)
Serpentine group, Mg3Si2O5(OH)4
metamorphic
Red Sandstone
Arenite (Fe2O3 enriched)
sedimentary
Botryoidal Chalcedony (Geode fragment)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz, SiO2)
sedimentary
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
sedimentary
Quartz Chip
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
Mineral / Sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Microcline Feldspar
KAlSi3O8
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
Travertine
Calcium Carbonate (CaCO3)
sedimentary
Iron-Stained Quartz (Red Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
mineral
Granite
Granite (Plutonic Igneous Rock)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Arenite (SiO2 dominated sandstone)
sedimentary
Sandstone pebble
Sandstone (siliciclastic sedimentary rock)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble with Drusy/Crystalline Pocket
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite/Arkose)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary