Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
Category
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
Blue Kyanite
Kyanite (Al2SiO5)
Chert (varietal: Flint Pitted Pebble)
Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Silica (SiO2)
Chert (variations include Flint or Jasper)
Chert (Silicon Dioxide, SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
Chert (often called Flint in this context)
Silicon Dioxide (SiO2)
Laterite
Laterite (Ferricrete)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper / Chert (River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Tan/Brown variety)
Chert (Microcrystalline Quartz, SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Silicon Dioxide (SiO2)
Chert (variations include Flint/Jasper)
Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Iron-stained)
Chert (SiO2)
Chert with Quartz/Calcite Vein
Microcrystalline Silica (SiO2)
Chert (and associated Flint)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (varietal Flint or Jasper)
Microcrystalline Quartz (SiO2)
Chert Pebble (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Black Chert/Flint)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Chert (Microcrystalline or Cryptocrystalline Silica, SiO2)
Yellow Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO₂)
Blue Kyanite
Kyanite (Al2SiO5)
Limestone
Calcium Carbonate (CaCO3)
Limestone with Quartz/Calcite Veins
Sedimentary Limestone (CaCO3 with SiO2 or CaCO3 intrusions)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based with various mineral cements)
Chert (Nodule)
Chert (Microcrystalline Quartz, SiO2)
Chert (Grey Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Fluorite Octahedron
Fluorite (Calcium Fluoride, CaF2)
Limonite (Iron Ore/Sandstone mixture)
Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix