Quartzite
Quartzite (chiefly SiO2)
metamorphic
Category
Mineral, Often Found In Metamorphic Rocks But Also In Sedimentary And Igneous Rocks
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Dumortierite Quartz (Blue Quartz)
Al7(BO3)(SiO4)3O3 / Quarz with Dumortierite inclusions
mineral
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
metamorphic
Blue Sapphire
Corundum (Al2O3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Greenstone Celt (Polished Stone Axe)
Metamorphosed mafic rock (often Basalt or Diabase)
metamorphic
Sodalite-rich Syenite (Yooperlite)
Sodalite-rich Syenite (Na8(Al6Si6O24)Cl2 within an igneous matrix)
igneous
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Green Schist
Greenschist (composed of Chlorite, Actinolite, and Epidote)
metamorphic
Demantoid Garnet on Matrix
Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities
mineral
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Greenschist
Greenschist facies rock (containing chlorite, actinolite, and epidote)
metamorphic
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
mineral
Basalt
Basalt (Mafic volcanic rock)
igneous
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Banded Agate (Lace Agate)
Agate (Variety of Cryptocrystalline Quartz), SiO2
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Dumortierite Quartz
Dumortierite (Al7BCuO15)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper (Red Jasper)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Ruby (Corundum)
Aluminium oxide (Al2O3) with Chromium traces
mineral
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Black Kyanite
Kyanite (Al2SiO5) with carbonaceous inclusions
mineral
Fossiliferous Limestone
Calcite (CaCO3) Rich Bio-sedimentary Rock
sedimentary