Sandstone (Quartzose)
Arenite (primarily SiO2)
Category
Browse sedimentary mineral specimens identified by the Rock Identifier community.
Sandstone (Quartzose)
Arenite (primarily SiO2)
Pyrite (or Arsenopyrite / Ore mineral aggregate)
FeS2 (Iron Sulfide)
Sandstone or possibly a conglomerate
Arenite (if sandstone)
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
Jasper
SiO2 (Cryptocrystalline quartz)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Sandstone
Arenite (clastic sedimentary rock)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Conglomerate
Sedimentary Conglomerate
Pyrite
Iron Sulfide (FeS2)
Mixed Mineral Assortment (Pyrite, Kyanite, Agate, Jasper)
FeS2 (Pyrite), Al2SiO5 (Kyanite), SiO2 (Agate/Jasper)
Jasper (Chert / Chalcedony)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Pyrite
Iron Sulfide (FeS2)
Graphite
Graphite (Carbon, C)
Feldspar
Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)
Biotite-bearing gneiss
Feldspar–quartz gneiss with dark biotite or amphibole-rich band
Shale
Laminated Fissile Pelite
Sandstone
Arenite
Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)
Silicified limestone or banded sedimentary rock with mineral veins
Sandstone
SiO2 (predominantly quartz sand)
K-Feldspar (Potassium Feldspar)
Orthoclase / Microcline (KAlSi3O8)
Shale
Shale (clastic sedimentary rock composed of silt and clay-sized particles)
Galena
Lead sulfide (PbS)
Limonite/Goethite Concretion
Goethite (FeO(OH))
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Pyrite (on host rock)
Iron Sulfide (FeS2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Limonite (Ironstone)
Goethite/Limonite (Hydrated iron(III) oxide-hydroxide)
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Mica (Muscovite or Biotite)
Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)
Sandstone
Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
Sandstone
Sandstone (principally SiO2/Silicon Dioxide)
Quartz pebble
Silicon dioxide (SiO2)
Sandstone
Clastic Sedimentary Rock
Flagstone
Sedimentary Sandstone / Flagstone
Sandstone
Sedimentary Clastic Rock
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)