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

Turbidite

Sapropel

Rock Gypsum

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Diamond (Pure Carbon, C)) — mineral

Diamond

Diamond (Pure Carbon, C)

Raw Diamond (Carbon (C)) — mineral

Raw Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (in jewelry setting) (Cubic Carbon (C)) — mineral

Diamond (in jewelry setting)

Cubic Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (in jewelry setting) (Carbon (C)) — mineral

Diamond (in jewelry setting)

Carbon (C)

Pebble (Clast (Lithic fragment / Quartzite pebble)) — sedimentary

Pebble

Clast (Lithic fragment / Quartzite pebble)

Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

Diamond (Martapura/Borneo Diamond) (Carbon (C) - Diamond) — mineral

Diamond (Martapura/Borneo Diamond)

Carbon (C) - Diamond

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

Diamond

Diamond (pure carbon, C)

Gold (Gold (Native Element); Au) — mineral

Gold

Gold (Native Element); Au

Tumbled jasper pebble (Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities) — mineral

Tumbled jasper pebble

Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities

Conglomerate (Conglomeratic Sandstone / Polymictic Conglomerate) — sedimentary

Conglomerate

Conglomeratic Sandstone / Polymictic Conglomerate

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Conglomerate (Conglomerate (Detrital sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Detrital sedimentary rock)

Yellow Sapphire (Corundum (Al2O3:Fe)) — gemstone

Yellow Sapphire

Corundum (Al2O3:Fe)

Tumbled Ruby (Corundum (Al2O3)) — gemstone

Tumbled Ruby

Corundum (Al2O3)

Raw Sapphire (Corundum) (Aluminum oxide (Al2O3)) — gemstone

Raw Sapphire (Corundum)

Aluminum oxide (Al2O3)

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

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Blue Sapphire (Corundum (Al2O3 with trace amounts of iron and titanium)) — mineral

Blue Sapphire

Corundum (Al2O3 with trace amounts of iron and titanium)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

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

Quartz (Yellow/Citrine variety)

Silicon Dioxide (SiO2)

Corundum (Ruby Variety) (Corundum (Al2O3)) — mineral

Corundum (Ruby Variety)

Corundum (Al2O3)

Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Agate (Moss or Banded Agate variety) (Agate (Silicon Dioxide - SiO2)) — mineral

Agate (Moss or Banded Agate variety)

Agate (Silicon Dioxide - SiO2)

Blue Sapphire (Raw) (Corundum (Al2O3)) — mineral

Blue Sapphire (Raw)

Corundum (Al2O3)

Fairburn Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Fairburn Agate

Cryptocrystalline Quartz (SiO2)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Gold (Gold (Au)) — mineral

Gold

Gold (Au)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Diamond (Pure Carbon crystallization)) — gemstone

Diamond

Diamond (Pure Carbon crystallization)

Jasper-bearing Quartzite River Cobble (Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining) — metamorphic

Jasper-bearing Quartzite River Cobble

Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Diamond (Uncut/Rough) (Carbon (C)) — mineral

Diamond (Uncut/Rough)

Carbon (C)

Diamond (C (Carbon)) — mineral

Diamond

C (Carbon)

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)