Sandstone
Arenite
Category
Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.
Sandstone
Arenite
Quartz Sand Gravel
Silicon Dioxide (SiO2)
Tufa (Calcareous Tufa)
Calcareous Tufa (Precipitated CaCO3)
Coquina (Fossiliferous Limestone)
Biogenic Limestone (mostly CaCO3 / Calcium Carbonate)
Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)
Silicified limestone or banded sedimentary rock with mineral veins
Sandstone
Arenite (SiO2 primarily)
Sandstone
Sedimentary Rock (Quartz arenite/Arkose)
Pegmatite (Granitic)
Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 based)
Conglomerate
Conglomerate rock
Chert (Chocolate or Brown Flint)
Chert (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Sandstone
Arenite
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 primarily)
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Conglomerate
Conglomerate (clastic sedimentary rock)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Sandstone (likely Quartz Sandstone)
Arenite (composed primarily of SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Red Sandstone
Arenite (with Iron Oxide)
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
Sandstone
Arenite (primarily SiO2)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Scoria
Scoria (Vesicular Basaltic Rock)
Chert / Flint
Silicon dioxide (SiO2)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Chert (Commonly known as Flint)
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Gneiss
Metamorphic Rock (Gneissic texture)
Quartz Pebble with Chlorite or Epidote Inclusions
Silicon Dioxide (SiO2) with inclusions
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Clastic sedimentary rock (primarily SiO2)