White Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic And Igneous Rocks
Browse metamorphic and igneous rocks specimens identified by the Rock Identifier community.
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Yellow Calcite
Calcium Carbonate, CaCO3
mineral
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
mineral
Green Aventurine Sphere
Quartz with Fuchsite inclusions (SiO2)
mineral
Leopardite
Quartz porphyry with manganese oxide spots
igneous
Limonite
FeO(OH)•nH2O
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3:Cr)
gemstone
Iceland Spar (Optical Calcite)
Calcite (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)·nH2O
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Limonite Concretion
Hydrated Iron Oxide-Hydroxide (FeO(OH)·n H₂O)
mineral
Limonite
FeO(OH)•nH2O
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Red Aventurine
Quartz with inclusions (SiO2)
mineral
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3:Cr)
gemstone
Green Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Green Quartz
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3)
gemstone
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Raw Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz-veined rock
Silicate rock with quartz vein (SiO2)
igneous
Galena
Lead Sulfide (PbS)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Likely quartz-bearing rock fragment
Quartz (SiO₂), possibly with iron-oxide staining or other mineral inclusions
mineral
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Red Aventurine
Quartz with hematite or goethite inclusions (SiO2)
mineral