Quartzite (Milky)
Quartzite (SiO2)
metamorphic
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Dyed Howlite (simulating Lavender/Purple Jade or Charoite)
Howlite: Ca2B5SiO9(OH)5 (when natural)
Mineral
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Lepidolite in Quartz (Lithium-bearing Ore)
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)
igneous/mineral
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
metamorphic
Rainbow Hematite (Titanium Coated)
Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating
mineral
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Pyrite in Quartz
FeS2 (Iron Pyrite) with SiO2 (Quartz)
Mineral/Igneous/Hydrothermal
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
mineral
Beryl (Variety: Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Chalcopyrite-bearing Ore
Chalcopyrite (CuFeS2)
mineral
Beryl (var. Heliodor or Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
sedimentary (artificial)
Gossan (Iron Hat)
Limonitic Gossan (predominantly FeO(OH)·nH2O)
igneous/metamorphic derivative
Sandstone (Red Flagstone)
Clastic sedimentary rock (primarily Quartz - SiO2)
sedimentary
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2) and Slate/Shale
mineral
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
igneous
Iron-stained Quartz (Gossan/Limonite-coated Quartz)
Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)
mineral
Diorite (Salt and Pepper Rock)
Phaneritic Plutonic Diorite; chemical composition roughly 52-63% silica (SiO2)
igneous
Serpentinite
Serpentinite (Mg, Fe, Ni)₃Si₂O―(OH)₄
metamorphic
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
not a rock
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
metamorphic
Beryl (Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amygdaloidal Basalt
Basalt with secondary mineral infilling
igneous
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Bismuth
Bismuth (Bi)
mineral
Gold Nugget
Native Gold (Au)
mineral
Native Copper (Penny specimen)
Native Copper (Cu)
mineral
Gossan (Limonite/Goethite)
Hydrated iron oxides (primarily FeO(OH)·nH2O)
mineral
Limonite and Goethite
Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
sedimentary
![Lapis Lazuli (Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])) — Metamorphic Rock (primarily composed of minerals)](https://media.rockidentification.com/b697ae67-2efa-42bf-8d6c-70c23f91ec13-thumbnail.jpg)
Lapis Lazuli
Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])
Metamorphic Rock (primarily composed of minerals)
Amethyst (in jewelry)
Silicon Dioxide (SiO2) with iron impurities
mineral
Native Copper
Native Copper (Cu)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Beryl (Emerald Variety)
Beryllium Aluminum Silicate (Be3Al2(SiO3)6)
mineral