Rock Identifier

Category

Man Made Metamorphic Style Composite

Browse man made metamorphic style composite specimens identified by the Rock Identifier community.

Learn about Man Made Metamorphic Style Composite in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Talc Schist

Mica Schist

Talc-carbonate Rock

Talc-carbonate Rock

Zincite

Mariposite

Gondite

Quartzite

Lherzolite

Eclogite

Quartzite (Quartzite (primarily SiO₂)) — metamorphic

Quartzite

Quartzite (primarily SiO₂)

Seashell (Cone Snail Shell) (Conus sp. (Calcium Carbonate, CaCO3)) — fossil

Seashell (Cone Snail Shell)

Conus sp. (Calcium Carbonate, CaCO3)

Calcite (Calcite (Mineral, Calcium Carbonate - CaCO3)) — Mineral

Calcite

Calcite (Mineral, Calcium Carbonate - CaCO3)

Peridot and Citrine Gemstones (in a ring setting) (Peridot (Olivine: (Mg,Fe)2SiO4), Citrine (Quartz: SiO2)) — mineral

Peridot and Citrine Gemstones (in a ring setting)

Peridot (Olivine: (Mg,Fe)2SiO4), Citrine (Quartz: SiO2)

Iron-stained quartzite or quartz-rich sandstone (Quartzite, predominantly SiO₂, with iron-oxide staining) — metamorphic

Iron-stained quartzite or quartz-rich sandstone

Quartzite, predominantly SiO₂, with iron-oxide staining

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Vesicular basalt (likely weathered lava rock) (Vesicular basalt; primarily plagioclase feldspar, pyroxene, and volcanic glass, with possible iron-oxide alteration) — igneous

Vesicular basalt (likely weathered lava rock)

Vesicular basalt; primarily plagioclase feldspar, pyroxene, and volcanic glass, with possible iron-oxide alteration

Granite (Granite (a felsic intrusive igneous rock)) — Igneous Rock

Granite

Granite (a felsic intrusive igneous rock)

Marble (Metamorphosed Limestone (principally CaCO3)) — metamorphic

Marble

Metamorphosed Limestone (principally CaCO3)

Rough Diamond (Diamond (Pure Carbon: C)) — mineral

Rough Diamond

Diamond (Pure Carbon: C)

Quartz (Milky Quartz) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (Milky Quartz)

Quartz (SiO2 - Silicon Dioxide)

Nephrite Jade (Nephrite) — Mineral/Rock

Nephrite Jade

Nephrite

Rounded pebble, likely granite or granitic gneiss (Granite: quartz + feldspar + mica; the specimen may be a granitic metamorphic variant) — igneous

Rounded pebble, likely granite or granitic gneiss

Granite: quartz + feldspar + mica; the specimen may be a granitic metamorphic variant

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Pale limestone (Limestone, predominantly calcite (CaCO₃)) — sedimentary

Pale limestone

Limestone, predominantly calcite (CaCO₃)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Weathered quartz-rich rock, possibly quartzite or quartz vein material (Quartz (SiO₂), likely with feldspar, mica, and iron-oxide staining) — metamorphic

Weathered quartz-rich rock, possibly quartzite or quartz vein material

Quartz (SiO₂), likely with feldspar, mica, and iron-oxide staining

Polished white quartz-rich pebble (Microcrystalline quartz (SiO₂), likely milky quartz or quartzite) — mineral

Polished white quartz-rich pebble

Microcrystalline quartz (SiO₂), likely milky quartz or quartzite

Moonstone (Adularia (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2 - Silicon Dioxide)

Diamond (Diamond (pure Carbon, C)) — mineral

Diamond

Diamond (pure Carbon, C)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

White Marble (Calcite-rich Metasomatized Carbonate (CaCO3)) — metamorphic

White Marble

Calcite-rich Metasomatized Carbonate (CaCO3)

Pink calcite (likely) (Calcite — calcium carbonate, CaCO₃) — mineral

Pink calcite (likely)

Calcite — calcium carbonate, CaCO₃

Granite (Felsic Plutonic Rock (Granite)) — igneous

Granite

Felsic Plutonic Rock (Granite)

Limonite (Iron Ore) (Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)) — Mineral

Limonite (Iron Ore)

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Chert (or Flint) (Chert (cryptocrystalline quartz), SiO2) — Sedimentary

Chert (or Flint)

Chert (cryptocrystalline quartz), SiO2

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2 (Calcium magnesium iron silicate)) — metamorphic

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2 (Calcium magnesium iron silicate)

Likely biotite-bearing metamorphic rock (schist or gneiss) (Mica schist/gneiss; chiefly quartz, feldspar, and biotite mica) — metamorphic

Likely biotite-bearing metamorphic rock (schist or gneiss)

Mica schist/gneiss; chiefly quartz, feldspar, and biotite mica

Granite / Quartzite Specimen (Granite / Quartz (SiO2 with Feldspar and Mica)) — igneous

Granite / Quartzite Specimen

Granite / Quartz (SiO2 with Feldspar and Mica)

Granite Pebble (Granite (Phaneritic Quartz-Feldspar Rock)) — igneous

Granite Pebble

Granite (Phaneritic Quartz-Feldspar Rock)

Granite (River Cobble) (Phaneritic Plutonic Felsic Rock (Granite)) — igneous

Granite (River Cobble)

Phaneritic Plutonic Felsic Rock (Granite)

Mixed Mineral Bead Bracelet (Polycrystalline and Monocrystalline Silicates/Oxides (Quartz, Howlite, Hematite)) — gemstone

Mixed Mineral Bead Bracelet

Polycrystalline and Monocrystalline Silicates/Oxides (Quartz, Howlite, Hematite)

Nephrite Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Muscovite Schist (Metamorphic rock primarily composed of quartz and muscovite mica) — metamorphic

Muscovite Schist

Metamorphic rock primarily composed of quartz and muscovite mica

Quartzite Pebble (Metamorphic rock primarily composed of Silicon Dioxide (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic rock primarily composed of Silicon Dioxide (SiO2)

Slate River Stone (Foliated Metamorphic Rock (composed of illite, chlorite, and quartz)) — metamorphic

Slate River Stone

Foliated Metamorphic Rock (composed of illite, chlorite, and quartz)

Slate (Foliated Metamorphic Rock (composed of quartz, illite, and chlorite)) — metamorphic

Slate

Foliated Metamorphic Rock (composed of quartz, illite, and chlorite)