Chert
Chert (microcrystalline quartz)
sedimentary
Category
Mineral Within A Sedimentary Rock
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Peridotite (with Olivine)
Peridotite (rich in Olivine, (Mg,Fe)2SiO4)
igneous
Conglomerate
Conglomerate (Detrital Sedimentary Rock)
sedimentary
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
mineral
Sandstone (Ferruginous)
Arenite (variable SiO2 with Fe2O3 staining)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
sedimentary
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Silicon dioxide (SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2 with various cementing agents)
sedimentary
Pyrite in Limestone
Iron Sulfide (FeS2) in Calcium Carbonate (CaCO3)
mineral
Clear Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Arenite (primarily SiO2)
sedimentary
Ferruginous Sandstone
Arenite with Iron-Oxide cement (primarily Fe2O3 • nH2O)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
Mineral
Jasper
Silicon Dioxide (SiO2)
sedimentary
Serpentinite (Serpentine Rock)
Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.
Metamorphic
Ferruginous Siltstone or Mudstone
Ferruginous Siltstone / Goethitic Sandstone
sedimentary
Sandstone (Red Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)
sedimentary
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 dominated)
sedimentary
Sandstone (likely Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (SiO2 primarily)
sedimentary
Turquoise (Green variety)
Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone (Cross-bedded Drill Core)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Dyed Agate
Silicon Dioxide (SiO2)
mineral
Amygdaloidal Basalt with Secondary Minerals
Basalt containing secondary mineralization (likely Chlorite, Celadonite, or Zeolites)
igneous
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with iron oxide and other mineral impurities
sedimentary (chemical/biological origin)
Quartz Conglomerate
Quartz Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone (Quartz-rich)
Sandstone (SiO2 dominated)
sedimentary