Quartzite
Quartzite (SiO2)
metamorphic
Category
Marble
Browse marble specimens identified by the Rock Identifier community.
Zebra Jasper
Tectonized Jasper (Silicon Dioxide, SiO2)
sedimentary
Calcite Rhomb
Calcium Carbonate (CaCO3)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Pink Quartzite
Quartzite (SiO2)
metamorphic
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Synthetic (Ceramic)
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Quartzite (Iron-Stained Quartz)
Quartzite (SiO2 with Fe-oxide impurities)
metamorphic
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Aragonite (Banded Calcite / 'Mexican Onyx')
Aragonite (Calcium Carbonate - CaCO3)
mineral
Map Jasper (Grey Picasso Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
Mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Serpentine (variety: Serpentine Rock)
Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
sedimentary
Calcite
Calcite (Calcium Carbonate - CaCO3)
mineral
Quartz Geode (partially formed)
Silicon Dioxide (SiO2)
mineral
Calcite (Optical Grade/Iceland Spar)
Calcium Carbonate (CaCO3)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Lapis Lazuli
Lazurite-dominated contact metamorphic rock
metamorphic
Tourmaline (Mixed colors)
Boron silicate mineral (Na,Ca)(Li,Mg,Al,Fe,Mn,Ti,V,Cr)3Al6(BO3)3Si6O18(OH,F)4
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, Calcite, and Pyrite)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Pink Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Lapis Lazuli
Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphic Rock (Mainly SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Granitic Gneiss
Gneiss (Complex silicate composition)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Honey Calcite
Calcium Carbonate (CaCO3)
mineral