Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)
Category
Browse sedimentary and igneous specimens identified by the Rock Identifier community.
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)
Pyrite (Fool's Gold) in Matrix
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Yellow Chalcedony (Agate/Jasper mix)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Common Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Quartz (Milk/Citrine variety)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Ruby Zoisite
Anyolite (Ca2Al3(SiO4)3(OH) + Al2O3:Cr)
Gneiss (Schistose)
Gneiss
White Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Botryoidal Agate / Chalcedony Geode
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Grain)
Silicon Dioxide (SiO2)
Quartz in Matrix
Silicon Dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
Hematite
Iron(III) oxide (Fe2O3)
Blue Calcite
Calcite (CaCO3)
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
Pyrite
Iron Disulfide (FeS2)