Yellow Calcite
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (Common Opal/Jasper variety)
Cryptocrystalline Quartz (SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Glauconitic Sandstone (Greenstone)
Glauconitic Siliciclastic Sandstone (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert (specifically Flint)
Cryptocrystalline Quartz (SiO2)
Chert (specifically Jasper/Flint)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Banded Chert (River Siltstone)
Microcrystalline Quartz (SiO2)
Banded Chert (Agate-like Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (variations include Flint or Jasper)
Chert (Silicon Dioxide, SiO2)
Chert (Iron-stained variant)
Microcrystalline Quartz (SiO2)
Chert (Chert / Flint)
Silicon Dioxide (SiO2)
Fossiliferous Limestone
Fossiliferous Calclutite / Bio-calcarenite (CaCO3)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Emerald / Green Beryl
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Chert (often called Flint or River Pebble)
Chert (Microcrystalline Quartz, SiO2)
Ironstone (likely Ferruginous Siltstone/Sandstone)
Ferruginous sedimentary rock (FeOx-rich clastic)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (variations include Flint/Jasper)
Cryptocrystalline Silicon Dioxide (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead or Projectile Point)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Red/Pink Jasper subtype)
Silicon Dioxide (SiO2)
Red Hematite
Iron(III) oxide (Fe2O3)
Flint (Chert)
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
Botryoidal Hematite (Kidney Ore)
Hematite (Fe2O3)
Red Hematite
Iron(III) Oxide (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Green Calcite
Calcite (Calcium Carbonate, CaCO3)
Bloodstone Jasper (Heliotrope)
SiO2 (Silicon Dioxide) - Cryptocrystalline Quartz
Amber Chert (Jasper)
Microcrystalline Quartz (SiO2)