Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
Quartz Geode Segment
Crystalline Silicon Dioxide (SiO2)
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
Sandstone Pebble
Arenite (primarily SiO2)
Pink Granite Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Gneiss (Metamorphic Rock)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Greenstone / Greenschist
Greenschist facies metamorphic rock
Concretion with Quartz Veining
Septarian Concretion (CaCO3 / SiO2)
Sandstone Chert Concretion
Silica-cemented Concretion (primarily SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Quartz Geode
Silicon Dioxide (SiO2) in sedimentary host rock
Red Sandstone
Arenite (primarily SiO2 with Fe2O3)
Limestone with Calcite Vug
Calcium Carbonate (CaCO3) in Sedimentary Matrix
Green Jasper / Chert Pebbles
Microcrystalline Quartz (SiO2)
Sandstone concretion (Ironstone-stained)
Arenite with Limonite/Hematite staining (Silica-based with Iron Oxides)
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Chert (Jasper/Quartzite variant)
Silicon Dioxide (SiO2)
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
Druzy Quartz
Crystalline Silicon Dioxide (SiO2)
Precious Opal in Matrix
Hydrated Silica (SiO2·nH2O)
Gneiss (with Quartzite and Mica)
Gneiss
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
Sandstone
Arenite (SiO2 primarily)
Pink Granite
Phaneritic Plutonic Felsic Igneous Rock (Granite)
Chert (Jaspery variety)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodules)
Chert (Silicon Dioxide, SiO2)
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Concretion
Septarian concretion (likely containing Calcite or Siderite)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
Quartz Geode (Smoky Quartz)
Silicon Dioxide (SiO2)
Gneiss (Banded Gneiss)
Gneiss
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
Red Sandstone
Arenite (high iron oxide content)
Puddingstone (Quartzite Pebble)
Metaconglomerate / Jasper-Quartzite Pebble
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Hematite Concretion
Iron oxide (Fe2O3) in concretionary form