Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Orange Calcite
Calcium Carbonate (CaCO3)
Fluorite
Fluorite (CaF₂)
Sodalite
Sodium aluminum silicate chloride (Na8(Al6Si6O24)Cl2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Pyrite
Iron Sulfide (FeS2)
Fluorite
Calcium Fluoride (CaF2)
Blue Apatite
Apatite Group (Ca5(PO4)3(F,Cl,OH))
Quartz
Silicon Dioxide (SiO2)
Quartz (Grain)
Silicon Dioxide (SiO2)
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Quartz (Small Pebble)
Silicon Dioxide (SiO2)
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Magnetite Nodule
Magnetite (Fe3O4)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Garnet (specifically Almandine or Pyrope)
Almandine: Fe3Al2(SiO4)3 or Pyrope: Mg3Al2(SiO4)3
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
Quartz (clear quartz/crystal quartz)
Quartz, silicon dioxide (SiO₂), trigonal crystal system
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Fluorite
Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Yellow/Orange variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Cut/Faceted Gemstone)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amphibolite (specifically Hornblende Schist/Gneiss)
Amphibole-rich Metamorphic Rock