Shale with Pyrite
Clastic sedimentary rock containing Iron Disulfide (FeS2)
sedimentary
Category
Mineral Within A Sedimentary Rock
Browse mineral within a sedimentary rock specimens identified by the Rock Identifier community.
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Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Ferruginous Siltstone
Siltstone with Magnetite/Hematite bands
sedimentary
Garnet Schist
Almandine-mica schist
metamorphic
Sandstone Concretion with Quartz Center
Sedimentary Clastic Rock (SiO2 matrix with Quartz core)
sedimentary
Chert (Septarian or Banded Nodular Variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (Metamorphic rock predominantly containing quartz, feldspar, and mica)
metamorphic
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
sedimentary
Quartz Geode Segment
Crystalline Silicon Dioxide (SiO2)
mineral
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety)
Porphyritic Basalt containing Plagioclase Feldspar phenocrysts
igneous
Sandstone Pebble
Arenite (primarily SiO2)
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Pink Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Greenstone / Greenschist
Greenschist facies metamorphic rock
metamorphic
Concretion with Quartz Veining
Septarian Concretion (CaCO3 / SiO2)
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
mineral
Red Sandstone
Arenite (primarily SiO2 with Fe2O3)
sedimentary
Green Jasper / Chert Pebbles
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in sedimentary host rock
sedimentary
Limestone with Calcite Vug
Calcium Carbonate (CaCO3) in Sedimentary Matrix
sedimentary
Sandstone concretion (Ironstone-stained)
Arenite with Limonite/Hematite staining (Silica-based with Iron Oxides)
sedimentary
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
sedimentary
Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
sedimentary
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
sedimentary
Chert (Jasper/Quartzite variant)
Silicon Dioxide (SiO2)
sedimentary
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Druzy Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Precious Opal in Matrix
Hydrated Silica (SiO2·nH2O)
mineral
Gneiss (with Quartzite and Mica)
Gneiss
metamorphic
Hag Stone (Adder Stone / Geode-bearing Pebble)
Sedimentary Rock with Cavity (often Quartzite, Limestone, or Sandstone)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
igneous
Chert (Jaspery variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint Nodules)
Chert (Silicon Dioxide, SiO2)
sedimentary
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
gemstone
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic