Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, 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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White Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Ferruginous Quartz
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Limonite (Iron Ore)
Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)
mineral
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Limonite (with Pyrite)
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 primary composition)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Black Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Ironstone Concretion / Hematite Nodules
Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))
sedimentary
Celestite (Celestine) Druze on Agate/Host Rock
Strontium sulfate (SrSO4)
mineral
Orange Calcite with Siderite/Iron Oxide Coating
Calcium Carbonate (CaCO3)
mineral
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz Geode
Clear Quartz (Silicon Dioxide, SiO2)
mineral
Calcite in Matrix
Calcium Carbonate (CaCO3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Chert (specifically Jasper or Flint variant)
Silicon Dioxide (SiO2)
sedimentary
Banded Chert
Silicon Dioxide (SiO2)
sedimentary
Chert (Tan/Yellow variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (with Calcite Veining)
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) veins
sedimentary
Chert / Flint Nodules
Cryptocrystalline Quartz (SiO2)
sedimentary
Ocean Jasper
Spherulitic Chalcedony (SiO2)
sedimentary
Chert (Black Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint Pebbles)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variation)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone (Quartzite Pebble)
Arenite / Metamorphosed Sandstone (SiO2)
sedimentary
Specular Hematite
Iron Oxide (Fe2O3)
mineral
Limestone with Algal/Lichen Colonization
Calcium Carbonate (CaCO3)
sedimentary