Rock Identifier

Category

Industrial Byproduct

Browse industrial byproduct specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Almandine Garnet

Almandine Garnet

Diatomaceous Earth

Diatomaceous Earth

Tripolite

Tripolite

Quartzite (River Cobble) (Quartzite (SiO2)) — metamorphic

Quartzite (River Cobble)

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Mudstone (Lutylite (group of fine-grained sedimentary rocks)) — sedimentary

Mudstone

Lutylite (group of fine-grained sedimentary rocks)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (or Milky Quartz pebble) (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Quartzite (or Milky Quartz pebble)

Quartzite (primarily Silicon Dioxide, SiO2)

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Granite Pebble (Granite (Phaneritic intrusive igneous rock consisting of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock consisting of Quartz, Alkali Feldspar, and Plagioclase)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Quartzite (Quartzite (principally SiO2)) — metamorphic

Quartzite

Quartzite (principally SiO2)

Limestone (specifically Iron-stained or Argillaceous Limestone) (Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities) — sedimentary

Limestone (specifically Iron-stained or Argillaceous Limestone)

Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Limestone (specifically Bituminous or Carbonaceous Limestone) (Calcium Carbonate (CaCO3) with Organic Impurities) — sedimentary

Limestone (specifically Bituminous or Carbonaceous Limestone)

Calcium Carbonate (CaCO3) with Organic Impurities

Basalt (Crushed Stone) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt (Crushed Stone)

Basalt (Mafic Extrusive Igneous Rock)

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

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Granite (Granite) — igneous

Granite

Granite

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Opalite (Man-made opalescent glass (SiO2 + metal oxides)) — mineral (synthetic)

Opalite

Man-made opalescent glass (SiO2 + metal oxides)

mineral (synthetic)

Blue Agate (Tumbled and Dyed) (Silicon Dioxide (SiO2) with likely organic dyes) — mineral

Blue Agate (Tumbled and Dyed)

Silicon Dioxide (SiO2) with likely organic dyes

Diamond (in jewelry setting) (Diamond (Carbon, C)) — mineral

Diamond (in jewelry setting)

Diamond (Carbon, C)

Clear Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Garnet (likely Almandine) (Almandine (Fe3Al2(SiO4)3)) — mineral

Garnet (likely Almandine)

Almandine (Fe3Al2(SiO4)3)

Quartz with Schorl (Black Tourmaline) (Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Quartz with Schorl (Black Tourmaline)

Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Diamond (Cluster Ring) (Carbon (C)) — mineral

Diamond (Cluster Ring)

Carbon (C)

Chalcedony (Agate/Carnelian) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate/Carnelian)

Cryptocrystalline Quartz (SiO2)

Ruby (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Milky Quartz (Quartz / Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Quartz (Milky Quartz with Iron Staining) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz with Iron Staining)

Silicon Dioxide (SiO2)

Red Garnet (Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)) — mineral

Red Garnet

Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Opalite (Synthetic Fluorescent Glass (SiO2 + impurities)) — mineraloid (synthetic)

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

mineraloid (synthetic)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Diamond (Diamond (Pure Carbon crystallization)) — gemstone

Diamond

Diamond (Pure Carbon crystallization)

Quartz Geode (Silicon Dioxide (SiO2) within a sedimentary or volcanic shell) — mineral

Quartz Geode

Silicon Dioxide (SiO2) within a sedimentary or volcanic shell

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chert (Arrowhead Shard) (Microcrystalline silica (SiO2)) — sedimentary

Chert (Arrowhead Shard)

Microcrystalline silica (SiO2)

Quartzite Cobble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Cobble

Metamorphic Quartzite (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)