Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
Category
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Rutilated Quartz
Rutile in Quartz (SiO2 with TiO2 inclusions)
Peacock Ore (Bornite/Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Clear Quartz
Silicon Dioxide (SiO2)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Quartz
Silicon Dioxide (SiO2)
Pyrite Nodules / Weathered Pyrite
Iron Sulfide (FeS2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Dalmatian Stone
Peralkaline rhyolite
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Green Aventurine
SiO2
Magnetite
Magnetite (Fe3O4)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Black Sapphire
Corundum (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
White Quartz
Silicon Dioxide (SiO2)
Clear Quartz Cluster
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Quartz with Iron Inclusions)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Vein Rock
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Ruby in Matrix
Corundum (Al2O3)
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)