Rock Identifier

Category

Anthropogenic Material (Man Made Rock)

Browse anthropogenic material (man made rock) specimens identified by the Rock Identifier community.

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Quartzite River Stone (Metamorphosed Quartz-rich Sandstone (SiO2)) — metamorphic

Quartzite River Stone

Metamorphosed Quartz-rich Sandstone (SiO2)

Chert Nodules in Limestone (Cryptocrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)) — sedimentary

Chert Nodules in Limestone

Cryptocrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)

Chert (variably Oolitic or Fossiliferous) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variably Oolitic or Fossiliferous)

Sedimentary Cryptocrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Nodule/Common Chert) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Nodule/Common Chert)

Microcrystalline quartz (SiO2)

Dinosaur Bone (Gembone) (Silicified Dinosaur Bone (SiO2 replacing organic tissue)) — sedimentary

Dinosaur Bone (Gembone)

Silicified Dinosaur Bone (SiO2 replacing organic tissue)

Chert (Flint variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Chert (Yellow Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Quartzite with inclusions (Quartzite (SiO2)) — metamorphic

Quartzite with inclusions

Quartzite (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Chert (Flint Nodules) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint Nodules)

Silicon Dioxide (SiO2)

Chert (Flint) (Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (Flint)

Cryptocrystalline Silica (SiO2)

Chert (Iron-stained) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (Silicon Dioxide, SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

White Howlite (Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)) — mineral

White Howlite

Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)

Chert (and Flint variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (and Flint variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)) — mineral

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — mineral

Petrified Wood

Silicified Wood (primarily SiO2)

Chert (Channery Chert (Microcrystalline Quartz)) — sedimentary

Chert

Channery Chert (Microcrystalline Quartz)

Chert (Arrowhead Preform) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Arrowhead Preform)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Flint nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint nodule)

Silicon Dioxide (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz / Common Gravel (Silicon Dioxide (SiO2)) — mineral

Quartz / Common Gravel

Silicon Dioxide (SiO2)

Banded Agate (specifically Carnelian Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate (specifically Carnelian Agate)

Cryptocrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Chert (or Chalcedony) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (or Chalcedony)

Chert (Microcrystalline Quartz, SiO2)

Mica (Muscovite) (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Mica (Muscovite)

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite Pebble (Quartzite (mostly SiO2)) — metamorphic

Quartzite Pebble

Quartzite (mostly SiO2)

Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Chert (Chert Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chert Nodule)

Silicon Dioxide (SiO2)

Flint (Chert) (Cryptocrystalline Silica (SiO2)) — sedimentary

Flint (Chert)

Cryptocrystalline Silica (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (White Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (White Flint)

Silicon Dioxide (SiO2)

Jasper Pebble (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper Pebble

Silicon Dioxide (SiO2) with iron oxide inclusions