Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Kaolinite (Chalky Clay)
Kaolinite (Al2Si2O5(OH)4)
Chert (Jasper/Mudstone)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Sand (Construction Grade)
Unconsolidated siliciclastic sediment (primarily SiO2)
Chert (Jasper influence)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert
Chert (SiO2)
Chert (with Limestone and Iron Oxide staining)
Cryptocrystalline Quartz (SiO2)
Chert
Cryptocrystalline Quartz (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (specifically Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Limonite-stained Chert
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Limestone
Limestone (Calcium Carbonate - CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Honey Calcite
Calcium Carbonate (CaCO3)
Chert Nodule
Microcrystalline Quartz (SiO2)
Aragonite Star Cluster
Aragonite (CaCO3)
Crushed Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (River Siltstone/Quartzite type)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
Calcite (Optical Calcite / Iceland Spar)
Calcium Carbonate (CaCO3)
Chert (variously identified as Flint)
Microcrystalline Quartz (SiO2)
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Chert (Commonly known as Flint)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Expanded Clay Pebble
Lightweight Expanded Clay Aggregate (LECA)
Chert
Microcrystalline silica (SiO2)
Banded Chert (River Cobble)
Microcrystalline Quartz (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)