Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Community gallery
All rocks & minerals
Every specimen the Rock Identifier community has discovered, from desert agates to deep-sea basalts.
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Ruby in Zoisite
Anyolite (Calcium Aluminum Silicate with Aluminum Oxide impurities)
metamorphic
Unakite
Epidotized Granite
metamorphic
Calcite
Calcium Carbonate (CaCO3)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Dumortierite Quartz
Al7BO3(SiO4)3O3 (inclusion in SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within a geode
mineral
Druzy Chalcedony (Agate Geode)
Silica (SiO2) - Cryptocrystalline Quartz with druzy macrocrystalline quartz
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Satin Spar Selenite
Satin Spar (Calcium Sulfate Dihydrate, CaSO4·2H2O)
mineral
Petrified Wood
Silicified Wood (primarily Quartz / Chalcedony: SiO2)
sedimentary
Spessartine Garnet in Quartz/Feldspar Pegmatite
Spessartine (Mn3Al2(SiO4)3) in Quartz (SiO2) and Feldspar
Mineral in Igneous Rock
Massive Quartz
Silicon dioxide (SiO2)
mineral
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
mineral
Basalt
Basalt
igneous
Chert (Red Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Fossilized Syringopora (Piping Organ Coral)
Syringopora (Extinct Genus of Tabulate Coral)
sedimentary
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Red Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Red Granite
Phaneritic plutonic rock (High-potassium feldspar granite)
igneous
Granite Pebble
Granite
igneous
Granite
Phaneritic intrusive igneous rock (primarily SiO2)
igneous
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Foliated Metamorphic Rock
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Andesite
Andesite
igneous
Ruby Zoisite
Anyolite (Calcium aluminium silicate with Chromium/Corundum inclusions)
metamorphic
Chert / Jasper
Cryptocrystalline Silica (SiO2)
sedimentary
Pyrite in Gossan
Iron Sulfide (FeS2) in Ferruginous Rock
mineral
Granite
Granite
Igneous
Brecciated Quartzite
Brecciated Quartzite
Metamorphic
Basalt with Vesicles
Vesicular Basalt
Igneous
Vesicular Basalt
Extrusive Mafic Volcanic Rock
igneous
Gneiss
High-grade regional metamorphic Gneiss
metamorphic
Quartz-veined Metamorphic Rock
Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)
metamorphic
Pink Granite
Granite (Phaneritic Acid Igneous Rock)
igneous
Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2) with iron impurities
mineral
Amber
Succinates (Organic Fossilized Resin)
mineraloid