Quartz
Silicon dioxide (SiO2)
Category
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Varieties including Rose Quartz and Citrine)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Apatite
Calcium phosphate fluorapatite, Ca5(PO4)3(F,Cl,OH)
Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Quartz
Silicon Dioxide (SiO2)
Mixed Mineral and Crystal Assortment
Various silicate and oxide minerals
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Tumbled Stone Assortment
Various silicate minerals (e.g., Quartz, Feldspar)
Quartz
Silicon Dioxide (SiO2)
Limonite Concretion
Hydrated Iron Oxide-Hydroxide (FeO(OH)·n H₂O)
Quartz
Silicon Dioxide (SiO2)