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

Concrete Fragment (Hardened Portland Cement Composite) — Anthropogenic (Man-made material mimicking sedimentary rock)

Concrete Fragment

Hardened Portland Cement Composite

Anthropogenic (Man-made material mimicking sedimentary rock)

Potassium-Rich Silicate Clay (inferred from biological context) (Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)) — mineral

Potassium-Rich Silicate Clay (inferred from biological context)

Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)

Limonite and Hematite Gossan (Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)) — mineral

Limonite and Hematite Gossan

Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)

Slag (Industrial Glass) (Anthropogenic Vitreous Slag (Post-industrial byproduct)) — igneous

Slag (Industrial Glass)

Anthropogenic Vitreous Slag (Post-industrial byproduct)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Yellow Ochre / Limonite (Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)) — mineral

Yellow Ochre / Limonite

Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)

Lapis Lazuli (Sodalite-rich Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2) — metamorphic

Lapis Lazuli

Sodalite-rich Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Sea Glass (often mistaken for Gemstones) (Amorphous Silica (SiO2) with trace additives) — mineraloid

Sea Glass (often mistaken for Gemstones)

Amorphous Silica (SiO2) with trace additives

Lunar Meteorite (Lunar Feldspathic Breccia) — igneous

Lunar Meteorite

Lunar Feldspathic Breccia

Yellow Quartzite (Silicon Dioxide (SiO2)) — metamorphic

Yellow Quartzite

Silicon Dioxide (SiO2)

Banded Agate (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Banded Agate

Cryptocrystalline Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartz (Microcrystalline variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Microcrystalline variety)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Red Quartzite (Ferruginous Quartz) (Quartzite (SiO2 with Fe2O3 inclusions)) — metamorphic

Red Quartzite (Ferruginous Quartz)

Quartzite (SiO2 with Fe2O3 inclusions)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartz (Milky or Smoky Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz (Milky or Smoky Quartz)

Quartz (Silicon Dioxide, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Stardust (Micrometeorite) (Chondrite / Micrometeorite (Extraterrestrial Silicate)) — igneous

Stardust (Micrometeorite)

Chondrite / Micrometeorite (Extraterrestrial Silicate)

Calcite (Banded Calcite / Onyx Marble) (Calcium Carbonate (CaCO3)) — mineral

Calcite (Banded Calcite / Onyx Marble)

Calcium Carbonate (CaCO3)

Quartzite Pebble (Quartzite (composed primarily of Silica, SiO2)) — metamorphic

Quartzite Pebble

Quartzite (composed primarily of Silica, SiO2)

Agate (Agate (Cryptocrystalline variety of Quartz, SiO2)) — mineral

Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Brimstone (Native Sulfur) (Native Sulfur (S)) — mineral

Brimstone (Native Sulfur)

Native Sulfur (S)

Prehnite (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Halite (Himalayan Pink Salt) (Halite - NaCl (Sodium Chloride)) — Mineral (Evaporite)

Halite (Himalayan Pink Salt)

Halite - NaCl (Sodium Chloride)

Mineral (Evaporite)

Quartzite with Quartz Veining (Quartzite (primarily SiO2)) — metamorphic

Quartzite with Quartz Veining

Quartzite (primarily SiO2)

Porphyritic Andesite (Intermediate Volcanic Rock - Andesite) — Igneous

Porphyritic Andesite

Intermediate Volcanic Rock - Andesite

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Silver (Jewelry Specimen) (Native Silver (Chemical Formula: Ag)) — mineral

Silver (Jewelry Specimen)

Native Silver (Chemical Formula: Ag)

Cullet Glass (Man-made Glass Slag) (Amorphous Silica (SiO2) with chemical additives) — Mineraloid

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Gold Nugget Cluster (Native Gold (Au)) — mineral

Gold Nugget Cluster

Native Gold (Au)

Quartzite river pebble (Recrystallized Quartz (SiO2)) — metamorphic

Quartzite river pebble

Recrystallized Quartz (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Dyed Agate (SiO2) — mineral

Dyed Agate

SiO2

Porphyritic Rhyolite (Porphyritic Rhyolite) — igneous

Porphyritic Rhyolite

Porphyritic Rhyolite

Gabbro (Water-Worn Cobble) (Gabbro) — igneous

Gabbro (Water-Worn Cobble)

Gabbro

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (chiefly SiO2)) — metamorphic

Quartzite

Quartzite (chiefly SiO2)

Banded Iron Formation (Banded Iron Formation (BIF)) — Sedimentary Rock

Banded Iron Formation

Banded Iron Formation (BIF)

Sedimentary Rock

Clay (as a rock-forming material) (Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)) — Mineral

Clay (as a rock-forming material)

Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)