Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
mineral
Category
Sedimentary (Chemical)
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemical) in the encyclopedia
View all →
Himalayan Salt (Halite)
Halite (NaCl) with trace minerals
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Agate
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Agate
Silicon dioxide (SiO2)
mineral
Agate (Beads)
Silicon Dioxide (SiO2)
mineral
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite River Stone
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (mostly SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Obsidian
Obsidian (Volcanic Glass, SiO2)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Mother of Pearl (Nacre)
Aragonite (layered with organic polymers), CaCO3
mineral
Quartzite Pebble
Recrystallized Silicon Dioxide (SiO2)
metamorphic
Gold Flake
Native Gold (Au)
mineral
Spessartine Garnet
Manganese aluminum silicate (Mn2+3Al2(SiO4)3)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Serpentine (Nephrite-like Serpentine)
Serpentinite (Hydrous magnesium iron phyllosilicate)
metamorphic
Granodiorite
Granodiorite (containing Quartz, Plagioclase Feldspar, Biotite, and Hornblende)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Vanadinite on Matrix
Vanadinite (Pb5(VO4)3Cl)
mineral
Granodiorite
Granodiorite
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (mainly SiO2)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite with inclusions
Quartzite (SiO2) with likely Feldspar or Iron oxide inclusions
metamorphic
Quartzite Pebble
Quartzite (Silicon Dioxide: SiO2)
metamorphic
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Granodiorite (containing Biotite and Quartz)
Granodiorite (Plagioclase-rich phaneritic intrusive rock)
igneous
Granodiorite
Granodiorite
igneous
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic