Rock Identifier

Category

Sedimentary (Alluvial Deposit)

Browse sedimentary (alluvial deposit) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Alluvial Deposit) in the encyclopedia

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Turbidite

Turbidite

Sapropel

Sapropel

Rock Gypsum

Rock Gypsum

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

sedimentary
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

sedimentary
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 Sand (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
River Pebble (Quartzo-feldspathic rock fragment) — sedimentary

River Pebble

Quartzo-feldspathic rock fragment

sedimentary
Gold-bearing Quartz / Auriferous River Rock (Lode Gold in Quartz Matrix (SiO2 + Au)) — sedimentary

Gold-bearing Quartz / Auriferous River Rock

Lode Gold in Quartz Matrix (SiO2 + Au)

sedimentary
Jasper Conglomerate (Clastic Sedimentary Rock (Conglomeratic Quartzite)) — sedimentary

Jasper Conglomerate

Clastic Sedimentary Rock (Conglomeratic Quartzite)

sedimentary
Milky Quartz Pebble with Matrix (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble with Matrix

Silicon Dioxide (SiO2)

mineral
Quartz (Milk Quartz Cobble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milk Quartz Cobble)

Silicon Dioxide (SiO2)

mineral
Blue Sapphire (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

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

Yellow Chalcedony (Quartz Pebble)

Silicon Dioxide (SiO2)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

sedimentary
Zebra Stone (Silicified Siltstone) (Silicified Siltstone with Quartz/Kaolinite inclusions) — sedimentary

Zebra Stone (Silicified Siltstone)

Silicified Siltstone with Quartz/Kaolinite inclusions

sedimentary
Siltstone Pebble (Siltstone) — sedimentary

Siltstone Pebble

Siltstone

sedimentary
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (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
Garden Pebble (Quartzite or Limestone fragment) (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) fragment) — sedimentary

Garden Pebble (Quartzite or Limestone fragment)

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) fragment

sedimentary
Gold Mineral (Native Gold (Au)) — mineral

Gold Mineral

Native Gold (Au)

mineral
Breccia (Sedimentary Breccia) — sedimentary

Breccia

Sedimentary Breccia

sedimentary
Jasper Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper Pebble

Microcrystalline Quartz (SiO2)

sedimentary
River Cobble (Quartz-rich Sandstone) (Arenite with iron oxide staining) — sedimentary

River Cobble (Quartz-rich Sandstone)

Arenite with iron oxide staining

sedimentary
Chert (Yellow Jasper/River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper/River Pebble)

Microcrystalline Quartz (SiO2)

sedimentary
Mixed Tumbled Rocks and Minerals Collection (Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)) — mineral

Mixed Tumbled Rocks and Minerals Collection

Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)

mineral
Conglomerate (Conglomerate (Clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Clastic sedimentary rock)

sedimentary
Riverstone Quartzite (Iron-stained) (Quartzite (primarily SiO2 with Limonite/Goethite staining)) — metamorphic

Riverstone Quartzite (Iron-stained)

Quartzite (primarily SiO2 with Limonite/Goethite staining)

metamorphic
Corundum (Sapphire/Ruby in Matrix) (Aluminium oxide (Al2O3)) — mineral

Corundum (Sapphire/Ruby in Matrix)

Aluminium oxide (Al2O3)

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

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

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

Milky Quartz Pebbles

Silicon Dioxide (SiO2)

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

Conglomerate

Conglomerate (clastic sedimentary rock)

sedimentary
Carnelian Agate (Silicon Dioxide (SiO2) - Chalcedony with Iron Oxide impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - Chalcedony with Iron Oxide impurities

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

Yellow Quartz

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Chert/Chalcedony) (Silicon Dioxide (SiO2) with iron inclusions) — mineral

Yellow Quartz (Chert/Chalcedony)

Silicon Dioxide (SiO2) with iron inclusions

mineral
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

sedimentary
Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

mineral
Pink Sapphire (Corundum (Al2O3 with Chromium/Titanium/Iron traces)) — mineral

Pink Sapphire

Corundum (Al2O3 with Chromium/Titanium/Iron traces)

mineral
Blue Topaz (Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)) — mineral

Blue Topaz

Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)

mineral
Milky quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

mineral