Rock Identifier

Category

Industrial Byproduct

Browse industrial byproduct specimens identified by the Rock Identifier community.

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Adirondack Garnet

Adirondack Garnet

Almandine Garnet

Almandine Garnet

Diatomaceous Earth

Diatomaceous Earth

Tripolite

Tripolite

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

mineral
Schist (Mica Schist) — metamorphic

Schist

Mica Schist

metamorphic
Chalcedony (Common Opal variant) (Silicon dioxide (SiO2) with varying levels of hydration) — mineral

Chalcedony (Common Opal variant)

Silicon dioxide (SiO2) with varying levels of hydration

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

Diamond

Diamond (pure Carbon, C)

mineral
Diamond (or Cubic Zirconia) (Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ) — mineral

Diamond (or Cubic Zirconia)

Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ

mineral
Marble (Recrystallized Calcite (CaCO3) Rock) — metamorphic

Marble

Recrystallized Calcite (CaCO3) Rock

metamorphic
Clear Quartz (Herkimer Diamond variant) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Herkimer Diamond variant)

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

Mineral
Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

metamorphic
Peridot (Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)) — Mineral

Peridot

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Mineral
Pumice (Pumicite / Vesicular Rhyolite) — igneous

Pumice

Pumicite / Vesicular Rhyolite

igneous
Mica Schist (Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

metamorphic
Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

gemstone
Diamond (or Simulant) (Carbon (C)) — gemstone

Diamond (or Simulant)

Carbon (C)

gemstone
Basalt River Pebble (Basalt (Mafic volcanic rock)) — igneous

Basalt River Pebble

Basalt (Mafic volcanic rock)

igneous
Blue Sapphire (Raw) (Corundum (Al2O3)) — mineral

Blue Sapphire (Raw)

Corundum (Al2O3)

mineral
Diamond (in Jewelry Setting) (Carbon (C)) — gemstone

Diamond (in Jewelry Setting)

Carbon (C)

gemstone
Mica Schist (with Garnet) (Garnet-Mica Schist) — metamorphic

Mica Schist (with Garnet)

Garnet-Mica Schist

metamorphic
Jasper / Yellow Chalcedony Pebble (Silicon Dioxide (SiO2)) — sedimentary

Jasper / Yellow Chalcedony Pebble

Silicon Dioxide (SiO2)

sedimentary
Quartz River Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz River Pebble

Silicon Dioxide (SiO2)

mineral
Mica Schist (Mica Schist (primarily Muscovite or Biotite sheets with Quartz)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheets with Quartz)

metamorphic
Sandstone with Quartz Vein (Arenite with Crystalline Silica (SiO2)) — sedimentary

Sandstone with Quartz Vein

Arenite with Crystalline Silica (SiO2)

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

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

sedimentary
Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

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

Citrine Quartz

Silicon Dioxide (SiO2)

mineral
Red Jasper (Silicon Dioxide (SiO2) containing Iron Oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) containing Iron Oxide inclusions

sedimentary
Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

mineral
Quartz (specifically a water-worn river pebble) (Silicon Dioxide (SiO2)) — Mineral

Quartz (specifically a water-worn river pebble)

Silicon Dioxide (SiO2)

Mineral
Quartzite (Metamorphic Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (predominantly SiO2)

metamorphic
Magnetite (or Magnetic Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (or Magnetic Iron Ore)

Magnetite (Fe3O4)

mineral
Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

mineral
Rough Sapphire (Corundum (Al2O3)) — mineral

Rough Sapphire

Corundum (Al2O3)

mineral
Olivine (Peridot) (Magnesium Iron Silicate ((Mg, Fe)2SiO4)) — mineral

Olivine (Peridot)

Magnesium Iron Silicate ((Mg, Fe)2SiO4)

mineral
Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

mineral
Red Jasper (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

sedimentary
Chalcedony Geode / Agate Nodule (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Geode / Agate Nodule

Cryptocrystalline Quartz (SiO2)

mineral
Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

metamorphic
Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

igneous
Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

mineral
Agate (Agate (Microcrystalline Quartz, SiO2)) — mineral

Agate

Agate (Microcrystalline Quartz, SiO2)

mineral