Rock Identifier

Category

Sedimentary (Artificial)

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

Learn about Sedimentary (Artificial) in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Bituminous Shale

Bituminous Shale

Dyed Blue Agate Slice (Silicon Dioxide (SiO2)) — mineral

Dyed Blue Agate Slice

Silicon Dioxide (SiO2)

Blue Agate Geode (Dyed) (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Agate Geode (Dyed)

Cryptocrystalline Quartz (SiO2)

Dyed Agate (SiO2 (Silicon Dioxide)) — mineral

Dyed Agate

SiO2 (Silicon Dioxide)

Carnelian (Carnelian (Silicon Dioxide - SiO2 with Hematite impurities)) — Mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2 with Hematite impurities)

Weathered metamorphic rock, likely schist or slate (Foliated pelitic metamorphic rock; commonly muscovite–chlorite schist or phyllite) — metamorphic

Weathered metamorphic rock, likely schist or slate

Foliated pelitic metamorphic rock; commonly muscovite–chlorite schist or phyllite

Orange Quartz (or Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (or Citrine Quartz)

Silicon Dioxide (SiO2)

Dyed Purple Agate Sliced (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Purple Agate Sliced

Silicon Dioxide (SiO2) with artificial pigment

Yellow tumbled stone, likely citrine or yellow calcite (Quartz (SiO₂), if citrine; alternatively calcite (CaCO₃)) — mineral

Yellow tumbled stone, likely citrine or yellow calcite

Quartz (SiO₂), if citrine; alternatively calcite (CaCO₃)

Aura Quartz Bead (Silicon dioxide (SiO2) with metal coating) — mineral with artificial coating

Aura Quartz Bead

Silicon dioxide (SiO2) with metal coating

mineral with artificial coating

Jasper (Multi-colored) / Sea Glass Slag (Silicon Dioxide (SiO2) with impurities of Iron Oxide) — Sedimentary (if natural Jasper) or Artificial (if Slag)

Jasper (Multi-colored) / Sea Glass Slag

Silicon Dioxide (SiO2) with impurities of Iron Oxide

Sedimentary (if natural Jasper) or Artificial (if Slag)

Rounded brown pebble (Indeterminate lithic clast; possibly weathered sandstone or iron-stained quartzite) — sedimentary

Rounded brown pebble

Indeterminate lithic clast; possibly weathered sandstone or iron-stained quartzite

Yellow Quartz (SiO2 (Silicon Dioxide)) — mineral

Yellow Quartz

SiO2 (Silicon Dioxide)

Graphite (Graphite (Carbon, C)) — Mineral

Graphite

Graphite (Carbon, C)

Blue Agate Slice (Chalcedony (SiO2)) — gemstone

Blue Agate Slice

Chalcedony (SiO2)

Cullet Glass / Slag Glass (Amorphous silica glass) — man-made glass / industrial byproduct

Cullet Glass / Slag Glass

Amorphous silica glass

man-made glass / industrial byproduct

Olivine (Peridot when gem-quality) (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine (Peridot when gem-quality)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Smoky Quartz (Silicon Dioxide (SiO2) with aluminum impurities) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities

Peridot (Olivine) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Dyed Agate Slice (Silicon Dioxide (SiO2)) — mineral

Dyed Agate Slice

Silicon Dioxide (SiO2)

Banded Calcite (often sold as 'Mexican Onyx') (Calcite (Calcium Carbonate - CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx')

Calcite (Calcium Carbonate - CaCO3)

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

Blue Chalcedony (Agate)

Silicon Dioxide (SiO2)

Tumbled jasper or chert (Microcrystalline quartz (SiO₂), likely jasper/chert) — mineral

Tumbled jasper or chert

Microcrystalline quartz (SiO₂), likely jasper/chert

Blue Banded Agate (Dyed) (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - variety of Chalcedony

Blue-dyed tumbled stone, likely calcite or quartz (Uncertain; commonly dyed quartz (SiO₂) or calcite (CaCO₃)) — mineral

Blue-dyed tumbled stone, likely calcite or quartz

Uncertain; commonly dyed quartz (SiO₂) or calcite (CaCO₃)

Man-made Dyed Aura Quartz (Silicon Dioxide (SiO2) with metallic coating/dye) — mineral

Man-made Dyed Aura Quartz

Silicon Dioxide (SiO2) with metallic coating/dye

Dyed Agate (SiO2 (Silicon Dioxide)) — mineral

Dyed Agate

SiO2 (Silicon Dioxide)

Dyed Pink Agate Slice (Silicon Dioxide (SiO2) - Chalcedony variety Agate) — mineral

Dyed Pink Agate Slice

Silicon Dioxide (SiO2) - Chalcedony variety Agate

Blue Agate (Dyed) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Blue Agate (Dyed)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Red-and-blue jasper (likely ocean jasper or dyed/polished jasper) (Microcrystalline quartz, chiefly SiO₂; jasper is an opaque chalcedony variety colored by iron oxides and other impurities) — mineral

Red-and-blue jasper (likely ocean jasper or dyed/polished jasper)

Microcrystalline quartz, chiefly SiO₂; jasper is an opaque chalcedony variety colored by iron oxides and other impurities

Dyed Pink Agate (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Dyed Pink Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Weathered concrete or cementitious slab (not natural rock) (Artificial calcium-silicate cement composite; likely Portland cement concrete) — sedimentary

Weathered concrete or cementitious slab (not natural rock)

Artificial calcium-silicate cement composite; likely Portland cement concrete

Dyed Dalmatian Stone (Aplite (Alkali-feldspar granite) with Arfvedsonite) — igneous

Dyed Dalmatian Stone

Aplite (Alkali-feldspar granite) with Arfvedsonite

Turquoise (Dyed Howlite/Magnesite imitation) (CuAl6(PO4)4(OH)8·4H2O (Target mineral) / Ca2B5SiO9(OH)5 (Actual specimen: Howlite)) — mineral

Turquoise (Dyed Howlite/Magnesite imitation)

CuAl6(PO4)4(OH)8·4H2O (Target mineral) / Ca2B5SiO9(OH)5 (Actual specimen: Howlite)

Aura Druzy Agate (Star Shape) (Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating) — mineral

Aura Druzy Agate (Star Shape)

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating

Tumbled hematite-rich ironstone (Hematite (Fe₂O₃), likely mixed with magnetite and iron-bearing silicates) — mineral

Tumbled hematite-rich ironstone

Hematite (Fe₂O₃), likely mixed with magnetite and iron-bearing silicates

Pink Dyed Agate (Pink Agate Slice) (Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz) — mineral

Pink Dyed Agate (Pink Agate Slice)

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Blue Agate (Dyed Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

Green Chalcedony (likely Green Agate or Chrysoprase) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — Mineral

Green Chalcedony (likely Green Agate or Chrysoprase)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Dyed Pumice (Vesicular Rhyolite (Artificial Coloration Addition)) — igneous

Dyed Pumice

Vesicular Rhyolite (Artificial Coloration Addition)

Dyed Quartz Pendant (Silicon Dioxide (SiO2) with artificial dye) — mineral

Dyed Quartz Pendant

Silicon Dioxide (SiO2) with artificial dye

Yellow Quartz (Citrine type/Tumbled Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine type/Tumbled Quartz)

Silicon Dioxide (SiO2)