Rock Identifier

Category

Igneous Or Sedimentary (Water Worn)

Browse igneous or sedimentary (water worn) specimens identified by the Rock Identifier community.

Learn about Igneous Or Sedimentary (Water Worn) in the encyclopedia

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Water Opal

Water Opal

Enhydro Quartz

Enhydro Quartz

Carbonatite

Carbonatite

Clear Beryl

Clear Beryl

Ice Opal

Hyalite Opal

Hyalite Opal

Iolite

Iolite

Conglomerate

Conglomerate

Jelly Opal

Jelly Opal

Clear Obsidian

Clear Obsidian

Coldwater Agate

Clear Tourmaline

Clear Tourmaline

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Mixed collection of common river stones (Varied lithologies, visibly including quartz-rich rock, dark mafic rock, sandstone, and purple quartz-bearing material) — igneous, sedimentary, metamorphic

Mixed collection of common river stones

Varied lithologies, visibly including quartz-rich rock, dark mafic rock, sandstone, and purple quartz-bearing material

igneous, sedimentary, metamorphic
Pebble (Lithified clastic rock fragment / Quartz-rich pebble) — sedimentary

Pebble

Lithified clastic rock fragment / Quartz-rich pebble

sedimentary
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
River Pebble (Siliceous rock fragment) — sedimentary

River Pebble

Siliceous rock fragment

sedimentary
Conglomerate (Polymictic Conglomerate) — sedimentary

Conglomerate

Polymictic Conglomerate

sedimentary
River Pebble (Chert/Quartzite) (Microcrystalline Quartz (SiO2)) — sedimentary

River Pebble (Chert/Quartzite)

Microcrystalline Quartz (SiO2)

sedimentary
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

sedimentary
Quartz Pebble (Sea Glass-like texture) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Sea Glass-like texture)

Silicon Dioxide (SiO2)

mineral
Jasper or Agate with Chlorite Inclusions (Silicon Dioxide (SiO2) with Chlorite group minerals) — sedimentary

Jasper or Agate with Chlorite Inclusions

Silicon Dioxide (SiO2) with Chlorite group minerals

sedimentary
Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

sedimentary
Pink Granite (Pink Granite (Felsic Intrusive Igneous Rock)) — igneous

Pink Granite

Pink Granite (Felsic Intrusive Igneous Rock)

igneous
Basalt Pebble with Vesicles (Vesicular Basalt) — igneous

Basalt Pebble with Vesicles

Vesicular Basalt

igneous
Quartz Pebble (with probable inclusions or staining) (Quartz (Silicon Dioxide - SiO2)) — mineral

Quartz Pebble (with probable inclusions or staining)

Quartz (Silicon Dioxide - SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Citrine Quartzite) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartzite)

Silicon Dioxide (SiO2)

mineral
Carnelian (Red Chalcedony (SiO2)) — mineral

Carnelian

Red Chalcedony (SiO2)

mineral
Chalcedony (Agate Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2)

mineral
Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

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

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

mineral
Banded Agate (River-worn Pebble) (Cryptocrystalline Silicon Dioxide (SiO2)) — sedimentary

Banded Agate (River-worn Pebble)

Cryptocrystalline Silicon Dioxide (SiO2)

sedimentary
Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

sedimentary
Chalcedony / Agate Pebble (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Agate Pebble

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

mineral
Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Granite Pebble (Phaneritic Felsic Igneous Rock) — igneous

Granite Pebble

Phaneritic Felsic Igneous Rock

igneous
White Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

sedimentary
Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

sedimentary
Basalt Pebble (Aphanitic Igneous Rock) — igneous

Basalt Pebble

Aphanitic Igneous Rock

igneous
Granitic Gneiss Pebble (Gneiss (felsic metamorphic rock)) — metamorphic

Granitic Gneiss Pebble

Gneiss (felsic metamorphic rock)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Painted Garden Rock (Coated Siltstone or Mudstone) — sedimentary

Painted Garden Rock

Coated Siltstone or Mudstone

sedimentary
Granodiorite Pebble (Granodiorite) — igneous

Granodiorite Pebble

Granodiorite

igneous
Granite Pebble (Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Mica)) — igneous

Granite Pebble

Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Mica)

igneous