Chert (Flint)
Microcrystalline Quartz (SiO2)
Category
Browse anthropogenic sedimentary style organic solid specimens identified by the Rock Identifier community.
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Pink Chert)
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
Chert
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Mica Schist
Mica Schist
Chert (specifically Flint or Jasper variant)
Microcrystalline quartz (SiO2)
Asphalt (Bituminous Slate/Sandstone)
Asphaltum / Bituminous Rock
Orange Calcite
Calcite (Calcium Carbonate - CaCO3)
Chert (Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Chert (or Chalcedony)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Arrowhead/Projectile Point)
Microcrystalline Quartz (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Chert (Yellow Jasper)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/River Pebble)
Microcrystalline Quartz (SiO2)
Chert
Chert (SiO2)
Chert (Flint) with Patina
Microcrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Anthracite Coal
Anthracite
Orange Calcite
Calcite (Calcium Carbonate - CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Honey Calcite Sphere
Calcium Carbonate (CaCO3)
Quartzite with Chert inclusions
Metamorphosed Quartz-rich Rock (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (or Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Common Opal variant)
Silicon Dioxide (SiO2)
Gneiss
High-grade foliated metamorphic rock
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and/or Siltstone River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Hag Stone
Perforated Sedimentary Rock (typically Limestone or Sandstone)
Chert
Chert (Microcrystalline Silica, SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Jasper (specifically Chert/Ironstone)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Almandine Garnet in Schist
Almandine, Fe3Al2(SiO4)3
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Red Jasper (Chert)
Silicon dioxide (SiO2) with iron oxide inclusions