Jasper
Silicon dioxide (SiO2) with impurities, microcrystalline quartz
Category
Browse sedimentary (fossilized organic remain) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2) with impurities, microcrystalline quartz
Chert (Flint)
SiO2 (Microcrystalline Quartz)
Jasper
Microcrystalline Quartz (SiO2)
Shungite
Non-crystalline carbon (high-carbon metamorphic rock)
Pyrite
Iron Sulfide (FeS2)
Flint
Chert (Silicon dioxide, SiO2)
Chert / River Pebble
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony Pebble)
Silicon Dioxide (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate)
Cryptocrystalline Quartz (SiO2)
Chert (specifically varieties like Chalcedony or Flint)
Silicon Dioxide (SiO2)
Chert (Jaspery variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Black Chert or Flint)
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Chert (Carnelian/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (often called Flint)
Silicon Dioxide (SiO2)
Chert (Field Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (SiO2)
Green Chert
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (often called Flint)
Chert (Microcrystalline or cryptocrystalline Silica, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert (Chert Nodule in Limestone)
Microcrystalline Quartz (SiO2)
Chert (specifically a flint nodule component)
Microcrystalline quartz (SiO2)
Chert / Flint
Chert (SiO2)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (and Limestone)
Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Coal
Bituminous Coal (organic sedimentary rock)
Bituminous Coal
Bituminous coal (Organic Sedimentary Rock)
Bituminous Coal
Organic Sedimentary Rock (Carbon-based)
Chert (Tan/Yellow variety)
Microcrystalline quartz (SiO2)