Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Category
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Carnelian
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Quartz (or Chalcedony) Specimen
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky/Rock Crystal)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Hematite
Iron (III) Oxide (Fe2O3)
Quartz (Clear/Crystalline)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear or Cloudy)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
Foliated Gneiss
Gneiss (Metamorphic Rock)
Gneiss
Foliated Metamorphic Gneiss
Gneiss
Gneissic Metamorphic Rock
Schist
Metamorphic Rock (Schist)
Banded Gneiss
Gneiss (Metamorphic Rock)