Red Granite
Phaneritic Felsic Igneous Rock (Granite)
Category
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
Red Granite
Phaneritic Felsic Igneous Rock (Granite)
Wonderstone
Rhyolite (Silicon Dioxide with Iron Oxide impurities)
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Kaolinite (Chalky Clay)
Kaolinite (Al2Si2O5(OH)4)
Banded Agate (River-worn Pebble)
Cryptocrystalline Silicon Dioxide (SiO2)
Green Moss Agate
Silicon Dioxide with inclusions (SiO2)
Pumice
Pumice (Amorphous volcanic glass)
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Kyanite
Kyanite (Al2SiO5)
Green Calcite
Calcium Carbonate (CaCO3)
Carnelian
Carnelian (SiO2 with iron oxide impurities)
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
Yellow Jade (Yellow Chalcedony/Quartz)
Silicon Dioxide (SiO2)
Banded Agate (Agatized Geode Slice)
Silicon Dioxide (SiO₂)
Dendritic Agate
Silicon Dioxide (SiO2) with manganese/iron inclusions
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Red Hematite
Iron(III) Oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz Cluster
Quartz (Silicon Dioxide - SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Clear Quartz (Druzy)
Crystalline Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Fluorite
Calcium fluoride (CaF2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Yellow Chalcedony (likely carnelian or yellow agate)
Silicon Dioxide (SiO₂)
Quartz Geode
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Chalcedony (Botryoidal or Tumbled)
Chalcedony (SiO₂)
Granite
Phaneritic Igneous Rock (Granite)
Greenish rock with white veins, possibly epidote or chlorite bearing rock with quartz/calcite veins
Altered mafic rock or Epidosite
Granite Cobble
Phaneritic Felsic Igneous Rock (Granite)
Granite (Dioritic or Hornblende-rich)
Phaneritic Plutonic Felsic to Intermediate Igneous Rock
Brecciated Jasper or Chert
SiO2
Leopard Skin Jasper
Rhyolite (Silicon Dioxide with impurities), SiO2
Granite
Granite (composed primarily of Quartz SiO2, Alkali Feldspar KAlSi3O8, and Plagioclase Feldspar)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Almandine Garnet
Almandite (Fe3Al2(SiO4)3)