White Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Or Metamorphic (Base Substrate)
Browse sedimentary or metamorphic (base substrate) specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix (likely Quartz or Schist matrix)
Iron Sulfide (FeS2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Clear / Rock Crystal)
Silicon Dioxide (SiO2)
Mineral
Apatite
Fluorapatite, Chlorapatite, and Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
mineral
White Calcite
Calcium Carbonate (CaCO3)
mineral
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Pyrite in Shale
Iron Sulfide (FeS2)
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Kyanite in Quartz
Al2SiO5 in SiO2
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Anthracite Coal
Anthracite (Carbon-rich metamorphic sedimentary rock)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby in Zoisite
Zoisite with Corundum (Ca2Al3(SiO4)(Si2O7)O(OH) + Al2O3)
metamorphic
Gneiss
Gneiss
metamorphic
Ruby in Zoisite
Anyolite (Ruby in Zoisite)
metamorphic
Ferruginous Quartz on Ironstone
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
metamorphic
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
sedimentary
Diorite
Diorite
igneous