Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Or Mineral
Browse sedimentary or mineral specimens identified by the Rock Identifier community.
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Quartz (Clear/Milky)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear/Crystalline)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Quartz
Silicon dioxide (SiO2)
mineral
Leopard Skin Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
sedimentary
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Limonite (Iron Ore)
Hydrated ferric oxide (FeO(OH)·nH2O)
sedimentary
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Chert (specifically Green Chert/Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
sedimentary
Gossan (Iron Cap)
Limonitic Gossan (FeO(OH)·nH2O)
sedimentary
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Chert (with Calcite layering)
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite (SiO2 based with mineral cement)
sedimentary
Fossilized Shark Tooth
Carcharocles sp. or similar (Fossilized Fluorapatite)
sedimentary
Jasper Beads (Polished)
Silicon Dioxide (SiO2)
sedimentary
River Pebble (Gneiss/Schist mix)
Metamorphic rock aggregate
metamorphic
Quartz Druzy
Silicon Dioxide (SiO2)
mineral
Banded Iron Formation (BIF) / Jaspilite
Banded Iron Formation (predominantly Hematite, Magnetite, and Quartz/Jasper)
sedimentary
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Chalcedony in Matrix (likely Agatized Coral or Chert)
Silicon Dioxide (SiO2)
sedimentary
Gneiss (Augen Gneiss)
Augen Gneiss
metamorphic
Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (likely Fossiliferous Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Hematite Nodular Concretion
Iron(III) oxide (Fe2O3)
mineral
Botryoidal Quartz
Silicon Dioxide (SiO2)
mineral
Green Calcite (Onyx Marble)
Carbonate mineral (Calcium Carbonate, CaCO3)
sedimentary
Sandstone / Chert Pebble
Silicon Dioxide / Sedimentary Rock (SiO2)
sedimentary
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
sedimentary
River Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
Native Sulfur
Sulfur (S)
mineral
Turquoise
Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)
mineral
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint with Iron Staining)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
sedimentary