Rock Identifier

Category

Industrial By Product

Browse industrial by product specimens identified by the Rock Identifier community.

Learn about Industrial By Product in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Brazilian Agate

Brazilian Agate

Almandine Garnet

Almandine Garnet

Tripolite

Diatomaceous Earth

Vanadium Tourmaline

Vanadium Tourmaline

Seam Agate

Cat's Eye Obsidian

Perthite

Orange Tourmaline

Orange Tourmaline

Pink Agate

Purple Agate

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Blue calcite geode (Calcite (CaCO₃), commonly a druse-lined geode) — mineral

Blue calcite geode

Calcite (CaCO₃), commonly a druse-lined geode

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial Byproduct)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Byproduct)

Slag (Anthropogenic Vitrification Product / Silicate Slag) — Anthropogenic (Man-made industrial byproduct)

Slag

Anthropogenic Vitrification Product / Silicate Slag

Anthropogenic (Man-made industrial byproduct)

Ferrous Slag (Iron Smelting By-product) (Fused Siliceous Slag) — Anthropogenic Material (Man-made Rock)

Ferrous Slag (Iron Smelting By-product)

Fused Siliceous Slag

Anthropogenic Material (Man-made Rock)

Pumice (Pumice (Volcanic glass / Felsic igneous rock)) — igneous

Pumice

Pumice (Volcanic glass / Felsic igneous rock)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Quartzite (Metamorphosed Quartz Sandstone) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone

Copper-bearing sulfide ore, possibly chalcopyrite-rich (Chalcopyrite (CuFeS₂), possibly with bornite and oxidation products) — mineral

Copper-bearing sulfide ore, possibly chalcopyrite-rich

Chalcopyrite (CuFeS₂), possibly with bornite and oxidation products

Colorless faceted gemstone, likely quartz (Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image) — gemstone

Colorless faceted gemstone, likely quartz

Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image

Likely raw chalcopyrite or bornite specimen (Chalcopyrite (CuFeS₂), possibly bornite (Cu₅FeS₄)) — mineral

Likely raw chalcopyrite or bornite specimen

Chalcopyrite (CuFeS₂), possibly bornite (Cu₅FeS₄)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pumice (specifically a water-worn, weathered variety) (Vesicular volcanic glass) — igneous

Pumice (specifically a water-worn, weathered variety)

Vesicular volcanic glass

Black Kyanite (Kyanite (Al2SiO5) with carbonaceous inclusions) — mineral

Black Kyanite

Kyanite (Al2SiO5) with carbonaceous inclusions

Iron Slag (Iron Slag (Industrial Vitreous Material)) — Mineral/By-product

Iron Slag

Iron Slag (Industrial Vitreous Material)

Mineral/By-product

Native Copper (in coinage alloy) (Copper (Cu)) — mineral

Native Copper (in coinage alloy)

Copper (Cu)

Green glass sphere/marble (Soda-lime glass (primarily SiO2, Na2O, CaO)) — Man-made object (Simulant)

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Man-made object (Simulant)

Possible weathered metal-rich rock or slag fragment (Uncertain; possibly iron-oxide-rich breccia or industrial slag) — mineral

Possible weathered metal-rich rock or slag fragment

Uncertain; possibly iron-oxide-rich breccia or industrial slag

Pumice and Scoria (Vesicular Volcanic Ejecta (Rhyolite/Andesite/Basalt)) — igneous

Pumice and Scoria

Vesicular Volcanic Ejecta (Rhyolite/Andesite/Basalt)

Sodium Polyacrylate (Superabsorbent Polymer) (Sodium Polyacrylate [-CH2-CH(COONa)-]n) — mineral (synthetic)

Sodium Polyacrylate (Superabsorbent Polymer)

Sodium Polyacrylate [-CH2-CH(COONa)-]n

mineral (synthetic)

Titanium Coated Kyanite (Aura Kyanite) (Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating) — metamorphic

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Pumice (Pumice (a vesicular volcanic glass)) — igneous

Pumice

Pumice (a vesicular volcanic glass)

Honey calcite (optical calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Honey calcite (optical calcite)

Calcite, calcium carbonate (CaCO₃)

Black stone bead bracelet (Likely black tourmaline (schorl), though identification is uncertain from the image) — mineral

Black stone bead bracelet

Likely black tourmaline (schorl), though identification is uncertain from the image

Fossilized bivalve shell fragment (Calcitic mollusk shell, commonly Bivalvia; exact genus cannot be determined from the image) — fossil

Fossilized bivalve shell fragment

Calcitic mollusk shell, commonly Bivalvia; exact genus cannot be determined from the image

Weathered quartz-rich mineral nodule (Likely quartz (SiO₂) with iron-oxide staining and possibly feldspar/mica; exact identification requires testing) — mineral

Weathered quartz-rich mineral nodule

Likely quartz (SiO₂) with iron-oxide staining and possibly feldspar/mica; exact identification requires testing

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Shale or Siltstone (Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)) — sedimentary

Shale or Siltstone

Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)

Magnesite or Howlite (dyed or naturally patterned) (Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Magnesite or Howlite (dyed or naturally patterned)

Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Iron-stained quartz-rich rock, possibly weathered granite or pegmatite (Quartz–feldspar rock with iron-oxide alteration; exact identification is uncertain from the photograph) — igneous

Iron-stained quartz-rich rock, possibly weathered granite or pegmatite

Quartz–feldspar rock with iron-oxide alteration; exact identification is uncertain from the photograph

Opalite (Synthetic Opalite Glass / Opalized Glass) — gemstone

Opalite

Synthetic Opalite Glass / Opalized Glass

Sphalerite with quartz (Sphalerite (ZnS), associated with quartz (SiO₂)) — mineral

Sphalerite with quartz

Sphalerite (ZnS), associated with quartz (SiO₂)

Galena (lead sulfide) (Galena, PbS) — mineral

Galena (lead sulfide)

Galena, PbS

Purpurite (Purpurite (MnPO4)) — mineral

Purpurite

Purpurite (MnPO4)

Iron-rich rock or Concretion (Ironstone or Limonite concretion) — sedimentary

Iron-rich rock or Concretion

Ironstone or Limonite concretion

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Orange calcite (Calcite (CaCO₃)) — mineral

Orange calcite

Calcite (CaCO₃)

Orange calcite (rough specimen) (Calcite, CaCO₃) — mineral

Orange calcite (rough specimen)

Calcite, CaCO₃