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

Quartz (Common or Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Common or Milky Quartz)

Silicon Dioxide (SiO2)

Quartz in Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz in Matrix

Silicon Dioxide (SiO2)

Turquoise (likely Sleeping Beauty variety or treated Howlite imitation) (Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise (likely Sleeping Beauty variety or treated Howlite imitation)

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

Sandstone (Ferruginous) (Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Quartz (Quartz (Silicon Dioxide - SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide - SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Ferruginous Sandstone with Concretion (Sandstone (SiO2 dominated with Fe2O3 cement)) — sedimentary

Ferruginous Sandstone with Concretion

Sandstone (SiO2 dominated with Fe2O3 cement)

Sandstone (likely Arkosic) (Arenite (SiO2 with KAlSi3O8)) — sedimentary

Sandstone (likely Arkosic)

Arenite (SiO2 with KAlSi3O8)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Limestone (specifically Travertine or Tufa) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (specifically Travertine or Tufa)

Calcium Carbonate (CaCO3)

Turquoise (Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

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

Ironstone concretion (Siderite or Limonite concretion (FeCO3 or FeO(OH)·nH2O)) — sedimentary

Ironstone concretion

Siderite or Limonite concretion (FeCO3 or FeO(OH)·nH2O)

Turquoise (Green variety) (Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise (Green variety)

Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Chert (specifically Brown Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Brown Chert or Jasper)

Microcrystalline Quartz (SiO2)

K2 Jasper (K2 Granite) (Azurite in Granite (Biotite Granite containing Azurite)) — igneous

K2 Jasper (K2 Granite)

Azurite in Granite (Biotite Granite containing Azurite)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Botswana Agate (Banded Chalcedony (SiO2)) — gemstone

Botswana Agate

Banded Chalcedony (SiO2)

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

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Limonitic Scoria (Vesicular Basalt with Iron Staining) (Highly vesicular basalt heavily stained by Limonite [FeO(OH)·nH2O]) — igneous

Limonitic Scoria (Vesicular Basalt with Iron Staining)

Highly vesicular basalt heavily stained by Limonite [FeO(OH)·nH2O]

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily Quartz with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily Quartz with Fe2O3 staining)

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

Quartz (Clear/Milky)

Silicon Dioxide (SiO2)

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 oxides)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 oxides)

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Bauxite (Bauxite (principal ore of aluminum, primarily Al(OH)3)) — sedimentary

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Vuggy Quartz on Matrix (Silicon Dioxide (SiO2)) — mineral

Vuggy Quartz on Matrix

Silicon Dioxide (SiO2)

River Stone (Sandstone or Siltstone) (Sedimentary Rock (Clastic)) — sedimentary

River Stone (Sandstone or Siltstone)

Sedimentary Rock (Clastic)

Jasper (Silicon dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon dioxide (Microcrystalline Quartz, SiO2)

Concretion (Septarian Concretion (Fragmentary)) — sedimentary

Concretion

Septarian Concretion (Fragmentary)

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

Quartzite River Stone

Quartzite (primarily SiO2)

Quartz Geode with Chalcedony (Silicon Dioxide (SiO2) in Geode Form) — sedimentary

Quartz Geode with Chalcedony

Silicon Dioxide (SiO2) in Geode Form

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

Diamond

Diamond (pure carbon, C)

Diamond (as set in a gold ring) (Carbon (C)) — mineral

Diamond (as set in a gold ring)

Carbon (C)

Laterite (Laterite (no specific mineral formula as it's a rock type)) — Sedimentary

Laterite

Laterite (no specific mineral formula as it's a rock type)

Chert (Iron-stained) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (Microcrystalline Quartz, SiO2)

Turquoise (Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

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

Limonite/Goethite nodule (Goethite (FeO(OH)) with Hydrated Iron Oxides) — mineral

Limonite/Goethite nodule

Goethite (FeO(OH)) with Hydrated Iron Oxides

Sandstone (Stream Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Stream Pebble)

Arenite (primarily SiO2)

Chert with Quartz Druzy (Microcrystalline Quartz (SiO2) with Drusy Quartz Coating) — sedimentary

Chert with Quartz Druzy

Microcrystalline Quartz (SiO2) with Drusy Quartz Coating

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)