Limestone (Weathered Aggregate)
Sedimentary Carbonate Rock (CaCO3)
sedimentary
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Limestone Gravel
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limonite / Iron Oxide Concretion
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz (Moss-covered)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Pyrite (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Calcite (Optical or Clear Calcite)
Calcium Carbonate (CaCO3)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Aragonite Star Cluster
Aragonite (CaCO3)
mineral
Hematite
Iron (III) Oxide (Fe2O3)
mineral
Limonite with Quartz
Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite / Goethite (Iron Ore Mineral nodule)
FeO(OH)·nH2O / FeO(OH)
mineral
Tumbled Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite Nugget
Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Botryoidal Goethite
Goethite (α-Fe3+O(OH))
mineral
Lava Rock (Dyed)
Basalt / Volcanic scoria
igneous
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Bauxite
Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)
sedimentary
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary
Blue chalcedony crystal pendant
Chalcedony, microcrystalline quartz (SiO₂), likely blue chalcedony or dyed quartz
gemstone