Rock Identifier

Category

Artifact

Browse artifact specimens identified by the Rock Identifier community.

Nutting Stone / Cupstone (Sandstone or Quartzite) (Sedimentary rock with anthropogenic modification (cupule)) — sedimentary

Nutting Stone / Cupstone (Sandstone or Quartzite)

Sedimentary rock with anthropogenic modification (cupule)

sedimentary
Porcelain Sherd (Ceramic artifact) — sedimentary

Porcelain Sherd

Ceramic artifact

sedimentary
Native American Pottery Sherd — artifact

Native American Pottery Sherd

artifact
Not a geological specimen (N/A (man-made object)) — N/A

Not a geological specimen

N/A (man-made object)

N/A
Chert Arrowhead (Cryptocrystalline quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline quartz (SiO2)

sedimentary
Iron Slag (Anthropogenic Ferro-silicate) — mineral

Iron Slag

Anthropogenic Ferro-silicate

mineral
Red Jasper and Carnelian Crystal Wand (Silicon dioxide (SiO2)) — mineral

Red Jasper and Carnelian Crystal Wand

Silicon dioxide (SiO2)

mineral
Chert / Flint (Arrowhead) (Microcrystalline quartz (SiO2)) — sedimentary

Chert / Flint (Arrowhead)

Microcrystalline quartz (SiO2)

sedimentary
Chert Arrowhead (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline Quartz (SiO2)

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

Chert (Arrowhead Point)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

fossil
Chert / Flint (Artifact) (Microcrystalline quartz (SiO2)) — sedimentary

Chert / Flint (Artifact)

Microcrystalline quartz (SiO2)

sedimentary
Granodiorite (Phaneritic Plutonic Intermediate-Felsic Rock) — igneous

Granodiorite

Phaneritic Plutonic Intermediate-Felsic Rock

igneous
Chert Arrowhead and Quartz Specimen (Silicon Dioxide (SiO2)) — mineral

Chert Arrowhead and Quartz Specimen

Silicon Dioxide (SiO2)

mineral
Chert / Flint (Arrowhead Artifact) (Microcrystalline quartz (SiO2)) — sedimentary

Chert / Flint (Arrowhead Artifact)

Microcrystalline quartz (SiO2)

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

Flint / Chert Arrowhead

Microcrystalline Quartz (SiO2)

sedimentary
Chert Arrowhead (Lithic Artifact) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert Arrowhead (Lithic Artifact)

Chert (Cryptocrystalline Quartz, SiO2)

sedimentary
Chert Arrowhead (Cryptocrystalline microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline microcrystalline Quartz (SiO2)

sedimentary
Chert (Arrowhead/Projectile Point) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Microcrystalline quartz (SiO2)

sedimentary
Quartz Arrowhead (Silicon Dioxide (SiO2)) — mineral

Quartz Arrowhead

Silicon Dioxide (SiO2)

mineral
Chert (Arrowhead/Projectile Point) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Chert (Cryptocrystalline Quartz, SiO2)

sedimentary
Chert Arrowhead (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline Quartz (SiO2)

sedimentary
Chert Arrowhead / Prehistoric Artifact (Cryptocrystalline Quartz (SiO2) - Artifact) — sedimentary

Chert Arrowhead / Prehistoric Artifact

Cryptocrystalline Quartz (SiO2) - Artifact

sedimentary
Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (Chert/Flint)) — sedimentary

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (Chert/Flint)

sedimentary
Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

sedimentary
Chert / Flint (Silicon dioxide (SiO2)) — sedimentary

Chert / Flint

Silicon dioxide (SiO2)

sedimentary
Chert Arrowhead (Projectile Point) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert Arrowhead (Projectile Point)

Chert (Cryptocrystalline Quartz, SiO2)

sedimentary
Basalt (Worn Cobble / Artifact) (Aphanitic Extrusive Igneous Rock) — igneous

Basalt (Worn Cobble / Artifact)

Aphanitic Extrusive Igneous Rock

igneous
Flint Arrowhead (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint Arrowhead

Cryptocrystalline Quartz (SiO2)

sedimentary
Chert Arrowhead (Cryptocrystalline quartz (SiO2)) — sedimentary

Chert Arrowhead

Cryptocrystalline quartz (SiO2)

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

Arrowhead (Flint/Chert)

Microcrystalline Quartz (SiO2)

sedimentary
Carnelian Bead (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Carnelian Bead

Silicon Dioxide (Chalcedony variety), SiO2

gemstone
Chert (Arrowhead Preform or Point) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Arrowhead Preform or Point)

Chert (Microcrystalline Quartz, SiO2)

sedimentary
Slag (Anthropogenic silicate slag) — igneous

Slag

Anthropogenic silicate slag

igneous
Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

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

Chert / Flint (Artifact)

Microcrystalline Quartz (SiO2)

sedimentary
Chert / Flint Handaxe (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint Handaxe

Cryptocrystalline Quartz (SiO2)

sedimentary
Granodiorite (Phaneritic Granodiorite) — igneous

Granodiorite

Phaneritic Granodiorite

igneous
Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

sedimentary
Chert (Lithic flake / Arrowhead fragment) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Lithic flake / Arrowhead fragment)

Microcrystalline Quartz (SiO2)

sedimentary
Chert (specifically Flint or Common Opal fragment) (Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (specifically Flint or Common Opal fragment)

Cryptocrystalline Silica (SiO2)

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

sedimentary