Schist
Schist (metamorphic rock)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Schist
Schist (metamorphic rock)
Hematite
Ferric oxide (Fe2O3)
Golden Mica Schist
Mica Schist (primarily Muscovite/Biotite with Quartz)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Chert / Flint
Chert (Silicon Dioxide, SiO2)
Laterite
Laterite (Ferricrete)
Quartz Pebble (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Greenstone
Greenschist
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Basalt
Extrusive mafic igneous rock
Quartzite
Quartzite (SiO2-dominant rock)
Hematite
Iron(III) oxide (Fe2O3)
Nephrite Jade
Ca2(Mg, Fe)5Si8O22(OH)2 (Magnesium-rich Tremolite-Actinolite)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions
Moonstone
Orthoclase feldspar ((K,Na)AlSi3O8)
Basalt River Stone
Basalt (Aphanitic Mafic Volcanic Rock)
Milky Quartz Geode Fragment
Silicon Dioxide (SiO2)
Jasper with Chert
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Moss Agate
Cryptocrystalline Quartz (SiO2 with Manganese or Iron Oxide inclusions)
Moss Agate
Silicon Dioxide (SiO2) with inclusions
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Amethyst
Silicon Dioxide (SiO2) with Fe3+ impurities
Amethyst
Silicon dioxide with iron impurities (SiO2 + Fe3+)
Brachiopod Fossil in Limestone
Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)
New Jade (Serpentine)
Antigorite / Serpentine Group (Mg3Si2O5(OH)4)
Porphyritic Andesite (often called Chinese Writing Stone)
Porphyritic Basaltic Andesite with Feldspar Phenocrysts
Kyanite
Kyanite (Al2SiO5)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Fluorite (often called Rainbow Fluorite or Purple-Green Fluorite)
Calcium Fluoride (CaF2)
Pyrite
Iron Sulfide (FeS2)
Fluorite (Purple Octahedron)
Calcium Fluoride (CaF2)
Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Hematite
Iron(III) oxide (Fe2O3)
Mica Schist
Foliated Metamorphic Rock (Schist)
Mica Schist
Mica Schist (primarily composed of Muscovite, Biotite, and Quartz)
Banded Calcite (often sold as 'Travertine' or 'Mexican Onyx')
Calcium Carbonate (CaCO3)