Blue Calcite
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Blue Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Honey Calcite
Calcium Carbonate (CaCO3)
Chert (specifically Jasper/Brown Chert)
Silicon Dioxide (SiO2)
Ironstone (with possible Hematite/Limonite coating)
Ironstone (Fe-rich sedimentary rock)
Calcite
Calcium Carbonate (CaCO3)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Pyrite
Iron Sulfide (FeS2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint Nobule)
Silicon Dioxide (SiO2)
Chert (Agate/Flint variant)
Microcrystalline Quartz (SiO2)
Celestite (Celestine)
Strontium Sulfate (SrSO4)
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
Banded Iron Formation
Banded Iron Formation (BIF)
Chert (variations include Flint/Jasper)
Chert (Silicon Dioxide, SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Optical Calcite (Iceland Spar)
Calcium Carbonate (CaCO3)
Chert / Flint (River Pebble)
Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Chert (Jasper and Chalcedony)
Silicon Dioxide (SiO2)
Blue Calcite
Calcite (CaCO3)
Chert (and Flint)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Chert (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Chert / Flint
Microcrystalline Quartz (SiO2)
Chert / Flint Conglomerate
Silicified Sedimentary Breccia (primarily SiO2)
Chert (specifically Gray/Blue-Gray Chert)
Chert (SiO2)
Wonderstone
Rhyolite (Silicon Dioxide with Iron Oxide impurities)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
Chert (with Iron Staining)
Silicon Dioxide (SiO2)
Chert (specifically Jasper)
Silicon dioxide (SiO2) with iron oxide inclusions
Honey Calcite
Calcium Carbonate (CaCO3)
Chert (containing Quartz)
Microcrystalline Silica (SiO2)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)