Rock Identifier

Category

Sedimentary (Secondary Classification For A Weathered Mineral Specimen)

Browse sedimentary (secondary classification for a weathered mineral specimen) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Secondary Classification For A Weathered Mineral Specimen) in the encyclopedia

Emerald in Matrix

Emerald in Matrix

Aquamarine Matrix

Aquamarine Matrix

Ironstone

Ironstone

Coal

Coal

Claystone

Claystone

Shale

Shale

Anglesite

Anglesite

Garnierite

Garnierite

Pyromorphite

Pyromorphite

Marl

Marl

Black Shale

Black Shale

Crocoite

Crocoite

Chert (Yellow Chert/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Chert/Flint)

Silicon Dioxide (SiO2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Kaolinite Claystone (Al2Si2O5(OH)4 (Kaolinite)) — sedimentary

Kaolinite Claystone

Al2Si2O5(OH)4 (Kaolinite)

Chert (often called Flint in this context) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint in this context)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Shale or Mudstone River Pebble (Argillaceous sedimentary rock) — sedimentary

Shale or Mudstone River Pebble

Argillaceous sedimentary rock

Limonite Stained Basalt (Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)) — igneous

Limonite Stained Basalt

Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)

Limonite-stained Chert (Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Limonite-stained Chert

Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)

Native Sulfur (Sulfur (S)) — mineral

Native Sulfur

Sulfur (S)

Satin Spar (Selenite) (Gypsum (CaSO4·2H2O)) — mineral

Satin Spar (Selenite)

Gypsum (CaSO4·2H2O)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Granite Cobble (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock (Granite)

Basalt (Basalt (Mafic Extrusive)) — igneous

Basalt

Basalt (Mafic Extrusive)

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

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Basalt River Cobble (Basalt (Mafic volcanic rock)) — igneous

Basalt River Cobble

Basalt (Mafic volcanic rock)

Basalt River Cobble (Basalt) — igneous

Basalt River Cobble

Basalt

Quartz (Milky or Clear fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Clear fragment)

Silicon Dioxide (SiO2)

Chert (often called Jasper or Flint) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (often called Jasper or Flint)

Microcrystalline Silica (SiO2)

Chalcedony (Silicon dioxide (SiO2) - Microcrystalline quartz) — mineral

Chalcedony

Silicon dioxide (SiO2) - Microcrystalline quartz

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Pebble (Clast (specifically a granule or small pebble)) — Sedimentary

Pebble

Clast (specifically a granule or small pebble)

Bauxite (Laterite) (Hydrated aluminum oxides (Al2O3·nH2O)) — sedimentary

Bauxite (Laterite)

Hydrated aluminum oxides (Al2O3·nH2O)

Quartz pebble / River stone (SiO2 (Silicon Dioxide)) — mineral

Quartz pebble / River stone

SiO2 (Silicon Dioxide)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Sandstone (Water-worn) (Arenite) — sedimentary

Sandstone (Water-worn)

Arenite

Quartz Druzy Geode (Silicon Dioxide (SiO2) - Crystalline Variety) — mineral

Quartz Druzy Geode

Silicon Dioxide (SiO2) - Crystalline Variety

Chert (Jasper-like Silicate) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Jasper-like Silicate)

Microcrystalline quartz (SiO2)

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

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Quartzite (Yellow/Iron-Stained) (Quartzite (SiO2 with Iron Oxide impurities)) — metamorphic

Quartzite (Yellow/Iron-Stained)

Quartzite (SiO2 with Iron Oxide impurities)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz chunk (Silicon dioxide (SiO2)) — mineral

Quartz chunk

Silicon dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Yellow Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

River Pebble (Gneiss or Quartzite variant) (Course-grained Metamorphic Rock (likely SiO2 dominant)) — metamorphic

River Pebble (Gneiss or Quartzite variant)

Course-grained Metamorphic Rock (likely SiO2 dominant)

Moqui Marble (Concretion) (Iron Oxide Concretion (Hematite/Goethite)) — sedimentary

Moqui Marble (Concretion)

Iron Oxide Concretion (Hematite/Goethite)

Turquoise (likely Stabilized or Dyed Howlite/Magnesite) (Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise (likely Stabilized or Dyed Howlite/Magnesite)

Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

Fossiliferous Limestone (Crinoidal) (Calcite-bearing bioclastic packstone (CaCO3)) — sedimentary

Fossiliferous Limestone (Crinoidal)

Calcite-bearing bioclastic packstone (CaCO3)