Carnelian (Red Agate)
Carnelian (SiO2 with Hematite inclusions)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Carnelian (Red Agate)
Carnelian (SiO2 with Hematite inclusions)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Rose Quartz
Silicon dioxide (SiO2)
Aventurine
Silicon Dioxide (SiO2) with inclusions
Ironstone Concretion / Limonite Specimen
Goethite and Limonite (Hydrous Iron Oxides)
Green aventurine
Quartzite dominated by quartz (SiO₂), commonly containing fuchsite mica or other inclusions
Fluorite in Matrix
Calcium Fluoride (CaF2) with Quartz/Calcite matrix
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz
Silicon Dioxide (SiO2)
Dragon Vein Agate (Dyed)
SiO2
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Greenstone
Greenschist / Greenstone (Epimetamorphic Rock)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Tourmaline
Schorl (Complex boron silicate, NaFe3Al6(Si6O18)(BO3)3(OH)4)
Green glass-like cabochon, likely synthetic glass or resin
Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin
Clear Quartz
Silicon Dioxide (SiO2)
Limonite / Brown Iron Ore
Hydrous Iron Oxide (FeO(OH)·nH2O)
Vesicular Basalt with Lichen
Vesicular Basalt
Amethyst
Amethyst (SiO2 with Iron impurities)
Amazonite
Amazonstone (KAlSi3O8)
Limonite (Iron-rich Siltstone / Sandstone base)
Hydrous ferric oxide mixture (FeO(OH)·nH2O)
Carnelian Agate
Carnelian (SiO2 with iron oxide impurities)
Carnelian
SiO2 (Silicon Dioxide) - Translucent Chalcedony
Fluorite (Fluor-spar)
Calcium Fluoride (CaF2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite (Fe2O3·nH2O) inclusions
Botryoidal Chalcedony (Agate/Chert Nodule)
Chalcedony (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxide
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Prehnite
Prehnite, Ca2Al(AlSi3O10)(OH)2
Amazonite
Amazonite (KAlSi3O8)
Aventurine
Quartz (SiO2) with fuchsite inclusions
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusion of Mica
Tumbled Agate
Silicon Dioxide (Chalcedony), SiO2
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Plume Agate or Moss Agate
Silicon dioxide (SiO2)