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

Chrysoberyl (Cyclic Twin) (Beryllium Aluminum Oxide (BeAl2O4)) — mineral

Chrysoberyl (Cyclic Twin)

Beryllium Aluminum Oxide (BeAl2O4)

mineral
Gold (Gold (Native Au)) — mineral

Gold

Gold (Native Au)

mineral
Diamond (Diamond (C)) — Mineral

Diamond

Diamond (C)

Mineral
Leopardite (Porphyritic Quartz Monzonite or Rhyolite) — igneous

Leopardite

Porphyritic Quartz Monzonite or Rhyolite

igneous
Orange Sapphire (Corundum (Al2O3 with trace elements)) — gemstone

Orange Sapphire

Corundum (Al2O3 with trace elements)

gemstone
Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

mineral
Chalcedony (Common Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Common Agate)

Cryptocrystalline Quartz (SiO2)

mineral
Conglomerate (Puddingstone) (Conglomerate (specifically, clastic sedimentary rock)) — Sedimentary

Conglomerate (Puddingstone)

Conglomerate (specifically, clastic sedimentary rock)

Sedimentary
Conglomerate (Conglomerate (Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary Rock)

sedimentary
Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

sedimentary
Magnetite / Lodestone (Magnetite (Fe3O4)) — mineral

Magnetite / Lodestone

Magnetite (Fe3O4)

mineral
Ruby (Corundum (Aluminum Oxide with Chromium traces), Al2O3:Cr) — mineral

Ruby

Corundum (Aluminum Oxide with Chromium traces), Al2O3:Cr

mineral
Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Unakite (Granitic rock composed of pink orthoclase feldspar, green epidote, and clear quartz) — metamorphic

Unakite

Granitic rock composed of pink orthoclase feldspar, green epidote, and clear quartz

metamorphic
River Pebble (Granite/Gneiss) (Granitic Pebble / Quartz-Feldspar Aggregate) — igneous

River Pebble (Granite/Gneiss)

Granitic Pebble / Quartz-Feldspar Aggregate

igneous
Quartzite Cobble (Iron-stained) (Quartzite (SiO2)) — metamorphic

Quartzite Cobble (Iron-stained)

Quartzite (SiO2)

metamorphic
Rough Diamond (C (Native Carbon)) — gemstone

Rough Diamond

C (Native Carbon)

gemstone
Diamond (Natural Diamond (Carbon, C)) — gemstone

Diamond

Natural Diamond (Carbon, C)

gemstone
Diamond (Faceted) (Carbon (C)) — gemstone

Diamond (Faceted)

Carbon (C)

gemstone
Taaffeite (BeMgAl4O8 (Beryllium Magnesium Aluminum Oxide)) — mineral

Taaffeite

BeMgAl4O8 (Beryllium Magnesium Aluminum Oxide)

mineral
Yellow Jade (Nephrite or Quartzite) (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jade-colored Quartzite (SiO2)) — metamorphic

Yellow Jade (Nephrite or Quartzite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jade-colored Quartzite (SiO2)

metamorphic
Blue Star Sapphire (Corundum (Al2O3)) — mineral

Blue Star Sapphire

Corundum (Al2O3)

mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Nephrite Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

metamorphic
Diamond (Diamond (pure native carbon, C)) — mineral

Diamond

Diamond (pure native carbon, C)

mineral
Rough Diamond (Diamond (C)) — mineral

Rough Diamond

Diamond (C)

mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Red Garnet Gemstone (Pyrope-Almandine Garnet (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)) — gemstone

Red Garnet Gemstone

Pyrope-Almandine Garnet (Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3)

gemstone
Yellow Sapphire (Raw) (Corundum (Al2O3)) — mineral

Yellow Sapphire (Raw)

Corundum (Al2O3)

mineral
Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

mineral
Rough Topaz (Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]) — mineral

Rough Topaz

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

mineral
Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2

metamorphic
Nephrite Jade (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

metamorphic
Green Tourmaline (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Green Tourmaline

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

mineral
Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Ruby

Corundum (Al2O3 with Chromium impurities)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Blue Sapphire Crystal (Rough) (Corundum (Aluminum Oxide, Al2O3)) — mineral

Blue Sapphire Crystal (Rough)

Corundum (Aluminum Oxide, Al2O3)

mineral
Garnet (specifically Almandine or Pyrope) (Almandine (Fe3Al2Si3O12) or Pyrope (Mg3Al2Si3O12)) — mineral

Garnet (specifically Almandine or Pyrope)

Almandine (Fe3Al2Si3O12) or Pyrope (Mg3Al2Si3O12)

mineral
Corundum (Ruby/Sapphire crystal) (Al2O3 (Aluminum Oxide)) — mineral

Corundum (Ruby/Sapphire crystal)

Al2O3 (Aluminum Oxide)

mineral
Rough Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

mineral