Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Category
Sedimentary (Chemical)
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
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Coal
Carbonaceous sedimentary rock
sedimentary
Chert
Silicon dioxide (SiO2)
sedimentary
Amber (specifically Cherry Amber)
Succinite (with the chemical formula C10H16O)
Organic Gemstone (not a mineral)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (chemical formula: C10H16O)
Organic Gemstone (not a rock or mineral)
Chert (River Cobble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Cryptocrystalline Quartz)
Silicon dioxide (SiO2)
sedimentary
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Optical Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Flint / Banded Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Flint or Jasper)
Microcrystalline quartz (SiO2)
sedimentary
Yellow Chert or Jasper
Silicon Dioxide (SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert / River Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite (or Yellow Calcite)
Calcium Carbonate (CaCO3)
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Flint
SiO2 (Microcrystalline Quartz / Chert)
sedimentary
Chert Geode Nodules
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Iceland Spar (Optical Calcite)
Calcite (Calcium Carbonate, CaCO3)
mineral
Chert (White/Gray variety)
Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Chert Nodules / Flint
Crystalline Silica (SiO2)
sedimentary
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert / Flint Pebble
Cryptocrystalline Quartz (SiO2)
sedimentary
Limonite/Ironstone
Limonite (FeO(OH)·nH2O)
mineral
Chert (River Pebble with Liesegang Rings)
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Limonite (Ochreous)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Chert / Jasper
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper)
Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (and Jasper/Chalcedony mixture)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral