Rock Identifier

Category

Sedimentary (Chemical)

Browse sedimentary (chemical) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Chemical) in the encyclopedia

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Coal

Coal

Limestone

Limestone

Kambaba Jasper

Kambaba Jasper

Asphalt Rock

Asphalt Rock

Sapropel

Sapropel

Mudstone

Mudstone

Claystone

Claystone

Siltstone

Siltstone

Aragonite (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

River Quartzite Pebble (Quartzite (SiO2)) — metamorphic

River Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (River Siltstone variety) (Quartzite (SiO2)) — metamorphic

Quartzite (River Siltstone variety)

Quartzite (SiO2)

Gold Flakes (Native Gold (Au)) — mineral

Gold Flakes

Native Gold (Au)

Botryoidal Chalcedony (Chalcedony (SiO2)) — Mineral

Botryoidal Chalcedony

Chalcedony (SiO2)

Pink Stained Rock (Likely Quartzite or Sandstone with Iron Oxide Staining) (Quartzite (metamorphic) or Sandstone (sedimentary); coloration likely due to hematite or other iron oxides.) — Metamorphic or Sedimentary (with staining)

Pink Stained Rock (Likely Quartzite or Sandstone with Iron Oxide Staining)

Quartzite (metamorphic) or Sandstone (sedimentary); coloration likely due to hematite or other iron oxides.

Metamorphic or Sedimentary (with staining)

Calcite (Calcite (CaCO₃)) — Mineral

Calcite

Calcite (CaCO₃)

Cubic Zirconia (Cubic Zirconia (Zirconium Dioxide, ZrO2)) — mineral

Cubic Zirconia

Cubic Zirconia (Zirconium Dioxide, ZrO2)

Silicon (Industrial Grade) (Elemental Silicon (Si)) — mineral

Silicon (Industrial Grade)

Elemental Silicon (Si)

Banded Agate (often called Brown Agate or Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (often called Brown Agate or Chalcedony)

Silicon Dioxide (SiO2)

Himalayan Pink Salt (Halite (NaCl) with trace minerals) — mineral

Himalayan Pink Salt

Halite (NaCl) with trace minerals

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

White Topaz (Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)) — mineral

White Topaz

Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)

White Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Banded Calcite (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite

Calcium Carbonate (CaCO3)

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

Nephrite Jade

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

Sea Glass (Amorphous Silica (Glass) SiO2) — Mineraloid (Man-made origin)

Sea Glass

Amorphous Silica (Glass) SiO2

Mineraloid (Man-made origin)

Pink Dyed Agate (Silicon Dioxide (SiO2) - Variety Agate) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Titanium Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Blue Dyed Agate (Chalcedony (SiO2) with artificial pigment) — mineral

Blue Dyed Agate

Chalcedony (SiO2) with artificial pigment

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Aura Quartz (Titanium or Angel Aura coated) (Silicon Dioxide (SiO2) with metallic vapor coating) — mineral

Aura Quartz (Titanium or Angel Aura coated)

Silicon Dioxide (SiO2) with metallic vapor coating

Aura Quartz (Titanium Quartz) (Titanium-coated Silicon Dioxide (SiO2 + Ti)) — mineral

Aura Quartz (Titanium Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti)

Granite (Weathered) (Granite (Felsic Plutonic Rock)) — igneous

Granite (Weathered)

Granite (Felsic Plutonic Rock)

Diorite (Diorite) — igneous

Diorite

Diorite

Breciated Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — Mineral

Breciated Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Gabbro (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro

Gabbro (mafic intrusive igneous rock)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Quartzite (River Cobble)

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (Quartzite (mostly SiO2)) — metamorphic

Quartzite Pebble

Quartzite (mostly SiO2)

Hypersthene (Hypersthene ((Mg,Fe)SiO3)) — mineral

Hypersthene

Hypersthene ((Mg,Fe)SiO3)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (River Stone) (Quartzite (predominantly SiO2)) — metamorphic

Quartzite (River Stone)

Quartzite (predominantly SiO2)

Quartzite with Hematite staining (Quartzite (SiO2) with iron oxide inclusions) — metamorphic

Quartzite with Hematite staining

Quartzite (SiO2) with iron oxide inclusions

Diabase (Diabase (also known as Dolerite)) — igneous

Diabase

Diabase (also known as Dolerite)