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.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Pyrite
Iron Sulfide (FeS2)
Amazonite
Amazonite (KAlSi3O8) - a variety of Microcline Feldspar
Orthoclase Feldspar
Orthoclase (KAlSi₃O₈)
Schist
Chlorite/Mica Schist
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Garnet
Garnet Group (formula varies, e.g., Almasndine: Fe3Al2(SiO4)3)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Muscovite
KAl2(AlSi3O10)(OH)2
Pyrite (or Fool's Gold)
Pyrite (FeS₂)
Quartz pebble
Silicon dioxide (SiO2)
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Gneiss
Gneiss (High-grade metamorphic rock)
Quartz
Silicon Dioxide (SiO2)
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine, Fe3Al2Si3O12
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)