Rock Identifier

Category

Sedimentary Like (Industrial Composite)

Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.

Learn about Sedimentary Like (Industrial Composite) in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Conglomerate

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Sea Sediment Jasper

Argillite

Needle Tourmaline

Needle Tourmaline

Calc-Silicate Rock

Calc-Silicate Rock

Color-Change Tourmaline

Color-Change Tourmaline

Smoky Quartz (Quartz (Silicon Dioxide) - SiO2) — mineral

Smoky Quartz

Quartz (Silicon Dioxide) - SiO2

Amethyst (Amethyst (Silicon Dioxide - SiO2 with iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with iron impurities)

Diamond (Diamond (Pure Carbon, C)) — Mineral

Diamond

Diamond (Pure Carbon, C)

Anthracite (Anthracite (Carbon)) — metamorphic

Anthracite

Anthracite (Carbon)

Quartz Pebble (Citrine-colored or Stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Citrine-colored or Stained Quartz)

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon dioxide (Microcrystalline Quartz, SiO2)

Shale (Argillite / Shaly Mudstone) — sedimentary

Shale

Argillite / Shaly Mudstone

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

One Pound Coin (UK) (Nickel-Brass Alloy (Cu-Zn-Ni)) — mineral

One Pound Coin (UK)

Nickel-Brass Alloy (Cu-Zn-Ni)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Orthoclase Feldspar (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Weathered iron-rich rock, possibly basalt or ironstone (Uncertain; likely weathered basalt (plagioclase–pyroxene) or hematite/goethite-bearing ironstone) — igneous

Weathered iron-rich rock, possibly basalt or ironstone

Uncertain; likely weathered basalt (plagioclase–pyroxene) or hematite/goethite-bearing ironstone

Fossilized Dinosaur Skull (Tyrannosaurus rex) (Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica) — sedimentary

Fossilized Dinosaur Skull (Tyrannosaurus rex)

Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica

Black Tourmaline (Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)) — Mineral

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Petrified Wood Agate (Silicified Wood (primarily SiO2)) — fossil

Petrified Wood Agate

Silicified Wood (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Chert (within Limestone) (Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)) — sedimentary

Chert (within Limestone)

Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)

Rough Topaz (Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]) — mineral

Rough Topaz

Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]

Sandstone (Sedimentary rock composed mainly of quartz sand grains) — sedimentary

Sandstone

Sedimentary rock composed mainly of quartz sand grains

Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Kyanite (Blue or Blue-Grey) (Kyanite (Al2SiO5)) — metamorphic mineral

Kyanite (Blue or Blue-Grey)

Kyanite (Al2SiO5)

metamorphic mineral

Fluorite (often called Rainbow Fluorite or Purple-Green Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (often called Rainbow Fluorite or Purple-Green Fluorite)

Calcium Fluoride (CaF2)

Sandstone (Pebble) (Arenite) — sedimentary

Sandstone (Pebble)

Arenite

Petrified Wood (Silicified Wood (primarily Quartz/Chalcedony, SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, SiO2)

Ruby (Corundum (Al2O3 with Chromium trace elements)) — mineral

Ruby

Corundum (Al2O3 with Chromium trace elements)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Chert (Jasper/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Orange Quartz (Citrine Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (Citrine Quartz variety)

Silicon Dioxide (SiO2)

Sandstone (River Cobble) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Ammonite Fossil (Ammonoidea (Calcium carbonate - CaCO3)) — sedimentary

Ammonite Fossil

Ammonoidea (Calcium carbonate - CaCO3)

Schist (Oxidized) (Mica Schist with Iron Oxide staining) — metamorphic

Schist (Oxidized)

Mica Schist with Iron Oxide staining

Sandstone (Arenite (primarily Quartz and Feldspar)) — sedimentary

Sandstone

Arenite (primarily Quartz and Feldspar)

Polished blue calcite (Calcite (CaCO₃), likely blue banded or massive calcite) — mineral

Polished blue calcite

Calcite (CaCO₃), likely blue banded or massive calcite

Sandstone Pebble (Arenite (primarily SiO2)) — sedimentary

Sandstone Pebble

Arenite (primarily SiO2)