Sandstone
Sedimentary Clastic Rock
sedimentary
Category
Sedimentary Or Mineral
Browse sedimentary or mineral specimens identified by the Rock Identifier community.
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Quartz on Sandstone
Silicon Dioxide (SiO2) in Lithic Sandstone
sedimentary
Halite
Sodium Chloride (NaCl)
mineral
Limonite Concretion
Hydrated Iron Oxide-Hydroxide, FeO(OH)*nH2O
mineral
Quartz Geode
Silicon Dioxide (SiO2) in Host Rock
sedimentary
Fossil oyster shell
Oyster (family Ostreidae), preserved as fossilized calcite/aragonite shell
fossil
Fossilized Bone
Fossilized vertebrate bone
fossil
Shale
Shale (Lutite)
sedimentary
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Geode with Calcite
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Likely milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Clear quartz crystal pendant
Quartz (silicon dioxide, SiO₂)
mineral
Limonite
FeO(OH)•nH2O
mineral
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
mineral
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Limestone Nodules or Chert
Sedimentary rock fragment
sedimentary
Goethite
Goethite (alpha-FeO(OH))
mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Gypsum
Calcium Sulfate Dihydrate (CaSO4·2H2O)
mineral
Sandstone Pebble
Sandstone (SiO2 rich clastic rock)
sedimentary
Limonite
FeO(OH)·nH2O
mineral
Limonite/Goethite (Iron Ore)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)
mineral
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
mineral
Sandstone
Clastic sedimentary rock (quartz arenite)
sedimentary
Red Sandstone
Quartzose Sandstone (Siliciclastic sedimentary rock)
sedimentary
Quartz with Calcite
Silicon Dioxide and Calcium Carbonate (SiO2 + CaCO3)
mineral
Howlite
Ca2B5SiO9(OH)5
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Arenaceous sedimentary rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Heart-shaped River Rock
Siliciclastic Sedimentary Rock
sedimentary
Sandstone
Sedimentary Clastic Rock
sedimentary
Baryte with Hematite
BaSO4
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral