Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon Dioxide (SiO2)
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock with Arfvedsonite (formerly believed to be Jasper)
Quartz Crystal
Quartz (SiO₂)
Quartz
Silicon Dioxide (SiO2)
Dalmatian Stone
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
Dalmatian Stone (Dalmation Jasper)
Aplite with Arfvedsonite inclusions
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Hematite
Hematite (Iron(III) oxide, Fe2O3)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Chalcedony (specifically Common Opal or Agate variant)
Silicon Dioxide (SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Bornite
Bornite (Cu5FeS4)
Unidentifiable Rock Fragment
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Jasper Agate (Chalcedony)
Silicon Dioxide (SiO2)
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2)
Quartz
Silicon Dioxide (SiO2)
Ruby in Zoisite
Anyolite (Ruby in Zoisite)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Quartz
Silicon Dioxide (SiO2)
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock