Basalt with Epidote (Greenstone)
Epidote-bearing Metabasalt
metamorphic
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Granite Pebble
Felsic Plutonic Rock
igneous
Pink Granite (River Pebble)
Felsic Intrusive Igneous Rock
igneous
Beryl in Quartz Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
mineral
Basalt
Aphanitic Mafic Igneous Rock
igneous
Granite Pebble
Granite (composition of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Biotite Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Mineral
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Citrine
Quartz (SiO₂)
mineral
Peridotite
Peridotite (primarily Olivine and Pyroxene)
igneous
Peridotite
Peridotite (predominantly Olivine and Pyroxene)
igneous
Barite Rose (Desert Rose)
Barium Sulfate (BaSO4)
mineral
Limonite (also known as Yellow Ochre or Brown Hematite)
Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)
Mineral
Hematite
Hematite (Fe2O3)
Mineral
Anthracite Coal
Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)
metamorphic
Magnetite with Pyroxene
Magnetite (Fe3O4) in Mafic Igneous Matrix
mineral/igneous
Granite Pebble
Granite (Felsic intrusive igneous rock)
igneous
Granite (Core Sample)
Phaneritic Felsic Igneous Rock (Granite)
igneous
Lapis Lazuli (blue bead) and Moss Agate (green heart)
Lapis Lazuli (lazurite-based rock) and Moss Agate (SiO2 with manganese/iron inclusions)
metamorphic (Lapis) and sedimentary/igneous assoc. (Moss Agate)
Asphalt (Bituminous Concrete)
Asphaltum / Bitumen-Aggregate Matrix
Technonatural composite (often containing sedimentary/igneous aggregate)
Limonite with Ironstone
Limonite (hydrated iron(III) oxide-hydroxides), FeO(OH)·nH2O
mineral
Copper Ore with Chrysocolla/Malachite
Hydrated copper phyllosilicate (Chrysocolla) / Copper carbonate hydroxide (Malachite)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Chrysocolla (with Hematite/Iron Oxides)
Chrysocolla: (Cu, Al)2H2Si2O5(OH)4 · nH2O
mineral
Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Potassium-Rich Silicate Clay (inferred from biological context)
Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite River Pebbles
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Granodiorite River Pebble
Granodiorite
igneous
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
mineral
Quartz-veined Metamorphic Rock
Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)
metamorphic
Diabase
Diabase (also known as Dolerite)
igneous
Basalt
Basalt
igneous
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic