Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron oxide inclusions)
sedimentary
Category
Man Made
Browse man made specimens identified by the Rock Identifier community.
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Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pumice
Pumicite
igneous
Sandstone
Arenite (SiO2 principal component)
sedimentary
Milky Quartz Mineral
Quartz (Silicon Dioxide, SiO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Gneiss
Gneiss
metamorphic
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Black Onyx
Cryptocrystalline Quartz (SiO2) with carbon/iron impurities
mineral/sedimentary
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
mineral
Malachite
Malachite (Cu2CO3(OH)2)
mineral
Marble
Metamorphosed Limestone (principally CaCO3)
metamorphic
Agate
SiO2
Mineral
Basaltic Scoria
Scoria (Vesicular Basalt/Andesite)
igneous
Rhodonite
Rhodonite; (Mn,Fe,Mg,Ca)SiO3
Mineral
Rhodonite
Rhodonite (MnSiO3)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Shale
Shale (Fine-grained clastic sedimentary rock)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Native Gold (in Jewelry)
Gold (Au)
mineral
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Mineral/Rock
Botryoidal Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Metamorphic Rock
Quartzite
Quartzite (SiO2)
metamorphic
Dalmatian Jasper (Dalmatian Stone)
Perthitic Feldspar with Arfvedsonite/Riebeckite
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Carnelian
Carnelian Agate (Silica: SiO2)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Scoria
Scoria (Vesicular Basaltic Rock)
igneous
Basalt Scoria
Scoria (vesicular basalt)
igneous
Amber (Copal)
Succinate (Fossilized Resin)
mineraloid
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
sedimentary
Thunderegg (Agate or Quartz Geode)
Silica-filled rhyolitic nodule (SiO2)
sedimentary
Basalt River Pebble
Aphanitic Mafic Igneous Rock
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Coral Fossil
Anthozoa (Scleractinia)
fossil
Orange Calcite
Calcium Carbonate (CaCO3)
mineral