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

Water Opal

Enhydro Quartz

Carbonatite

Clear Beryl

Ice Opal

Hyalite Opal

Iolite

Conglomerate

Jelly Opal

Clear Obsidian

Coldwater Agate

Clear Tourmaline

Clear Tourmaline

Jasper and Quartz Pebble (Silicon Dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Quartz Pebble

Silicon Dioxide (SiO2) microcrystalline quartz

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Chert (Chert (SiO2)) — sedimentary

Chert

Chert (SiO2)

Orange Quartz (or Tumbled Carnelian) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz (or Tumbled Carnelian)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Pebble (Quartzite / Chert)

Microcrystalline Quartz (SiO2)

River Quartz (Milky and Smoky mix) (Silicon Dioxide (SiO2)) — mineral

River Quartz (Milky and Smoky mix)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Jasper pebble (Yellow/Brown Jasper) (Silicon Dioxide (Microcrystalline Quartz, SiO2 with Iron Oxide impurities)) — sedimentary

Jasper pebble (Yellow/Brown Jasper)

Silicon Dioxide (Microcrystalline Quartz, SiO2 with Iron Oxide impurities)

River Pebble (likely Quartzite or Siltstone) (Sedimentary Clast (SiO2 based)) — sedimentary

River Pebble (likely Quartzite or Siltstone)

Sedimentary Clast (SiO2 based)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Ruby (varietal of Corundum) (Corundum (Al2O3:Cr)) — gemstone

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Granite (Phaneritic plutonic rock (composed of quartz, feldspar, and mica)) — igneous

Granite

Phaneritic plutonic rock (composed of quartz, feldspar, and mica)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Yellow/Citrine variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Yellow/Citrine variety)

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

White Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Yellow or Honey Quartz

Silicon Dioxide (SiO2)

Yellow Quartz (Citrine or Iron-Stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Iron-Stained Quartz)

Silicon Dioxide (SiO2)

Ferruginous Quartz Cobble (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz Cobble

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Carnelian (Tumbled) (Carnelian (SiO2)) — mineral

Carnelian (Tumbled)

Carnelian (SiO2)

Chert (with inclusions) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (with inclusions)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert Nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Quartz (SiO2)

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

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Orange Carnelian / Chalcedony Pebble (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Orange Carnelian / Chalcedony Pebble

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Quartz (Tumbled)

Silicon Dioxide (SiO2)

River Rock (Basalt or Siltstone) (Basalt (Aphanitic Igneous Rock)) — igneous

River Rock (Basalt or Siltstone)

Basalt (Aphanitic Igneous Rock)

Banded Chert Pebble (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert Pebble

Silicon Dioxide (SiO2)

River Rock (Polished Quartzite / Silicified Sedimentary Rock) — sedimentary

River Rock

Polished Quartzite / Silicified Sedimentary Rock

Granite (Phaneritic plutonic igneous rock (felsic)) — igneous

Granite

Phaneritic plutonic igneous rock (felsic)

Quartz-veined Metamorphic Rock (Wishing Stone) (Quartz-veined Metamorphic/Igneous Host Rock with Quartz Veinlets) — metamorphic

Quartz-veined Metamorphic Rock (Wishing Stone)

Quartz-veined Metamorphic/Igneous Host Rock with Quartz Veinlets

Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

Painted Pet Rock (Quartzite/Sandstone base) (Silicon Dioxide (SiO2) with anthropomorphic acrylic embellishments) — sedimentary

Painted Pet Rock (Quartzite/Sandstone base)

Silicon Dioxide (SiO2) with anthropomorphic acrylic embellishments

Jasper (Nephrite-like appearance) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Nephrite-like appearance)

Silicon Dioxide (SiO2) with impurities

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

White Quartz Pebble

Silicon Dioxide (SiO2) - Quartz

Rounded sandstone pebble (Quartz-rich sandstone, likely subarkose or lithic sandstone) — sedimentary

Rounded sandstone pebble

Quartz-rich sandstone, likely subarkose or lithic sandstone

Quartzite or Chert Pebble (SiO2 (dominant)) — metamorphic or sedimentary

Quartzite or Chert Pebble

SiO2 (dominant)

metamorphic or sedimentary