Asphalt / Bituminous Aggregate
Bituminous mixture (Hydrocarbon-based sediment)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Asphalt / Bituminous Aggregate
Bituminous mixture (Hydrocarbon-based sediment)
Clear quartz crystal point
Quartz (silicon dioxide, SiO₂), likely a polished or cut crystal
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock
Chert (or Jasper)
Microcrystalline Quartz (SiO2)
Limestone
Limestone (CaCO3)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone (Riprap)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Limestone (Calcium Carbonate - CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Banded Chert
Silicon Dioxide (SiO2)
Limestone
Sedimentary Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone with Chert Nodules
Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Nodule)
Microcrystalline quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone Cobble
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (variations include Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Microcrystalline quartz (SiO2)
Chert (Iron-stained)
Chert (SiO2)
Limestone with Secondary Mineralization
Calcium Carbonate (CaCO3)
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
Chert / Flint
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Crushed Limestone
Limestone (CaCO3)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert
Chert (SiO2)
Chert (variations include Flint or Jasper)
Aphanitic Silica (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert / Microcrystalline Quartz
Silicon Dioxide (SiO2)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)