Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Category
Browse synthetic (man made material mimicking natural stone) specimens identified by the Rock Identifier community.
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Chert Nodule (Flint)
Chert (Cryptocrystalline Silica - SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Granite (Pegmatitic)
Phaneritic Felsic Igneous Rock
Schist
Schist (various mineral compositions)
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Pink Granite
Granite (Phaneritic intrusive rock)
Pink Granite
Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Granite
Granite (Felsic Plutonic Rock, consisting primarily of Quartz, Feldspar, and Mica)
Chert (Chert Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (primarily SiO2, silica)
Shale
Fissile mudrock (composed of clay-sized particles and detrital grains)
Rough Diamond
Diamond (Native Carbon), C
Diamond (Princess Cut)
Carbon (C)
Banded Gneiss
Gneiss (pronounced 'nice')
Fossiliferous Chert (with Fossil Shells)
Silicon Dioxide (SiO2) with biogenic inclusions
Sandstone (with Iron Staining)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Quartz (possibly milky quartz)
Quartz (Silica; SiO₂)
Granite
Granite (Felsic Plutonic Rock)
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)
Granite (Leucogranite)
Felsic Plutonic Rock (Granite)
Granite
Granite (composed primarily of Quartz SiO2, Orthoclase KAlSi3O8, and Plagioclase NaAlSi3O8 to CaAl2Si2O8)
Granite
Granite (Silicic Plutonic Rock)
Diabase
Diabase (also known as Dolerite)
Granite
Phaneritic Felsic Igneous Rock
Granite
Granite (Phaneritic intrusive igneous rock)
Granite
Phaneritic Felsic Igneous Rock
Granite
Granite (Felsic Plutonic Rock)
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
Red Sandstone
Arenite (with Iron Oxide / Hematite staining)
Diamond
Diamond (C)
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)
Quartzite
Quartzite (SiO2)
Coquina
Biogenic Limestone
Ironstone Concretion / Goethite-Hematite Nodule
Goethite/Hematite (α-FeO(OH) / Fe2O3)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Quartzite Arrowhead (Archaeological Lithic)
Recrystallized Quartz (SiO2)
Chert (Black Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)