Rock Identifier

Category

Sedimentary (Primary) With Artificial Modification

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

Learn about Sedimentary (Primary) With Artificial Modification in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Priday Plume Agate

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

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

Carnelian

Carnelian (Silicon Dioxide - SiO2 with Hematite impurities)

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

Dyed Agate (SiO2 (Silicon Dioxide)) — mineral

Dyed Agate

SiO2 (Silicon Dioxide)

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

Dyed Agate Slice

Silicon Dioxide (SiO2)

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

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

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - variety of Chalcedony

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)

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

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

Tumbled jasper or chert

Microcrystalline quartz (SiO₂), likely jasper/chert

Magnetic Hematite (Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)) — Mineral

Magnetic Hematite

Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)

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

Rainbow-coated amethyst (likely treated quartz) (Quartz, SiO₂; purple color from iron-related defects. The iridescent surface appears artificially coated, often with a titanium-based film.) — mineral

Rainbow-coated amethyst (likely treated quartz)

Quartz, SiO₂; purple color from iron-related defects. The iridescent surface appears artificially coated, often with a titanium-based film.

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

Dyed Pink Agate

Silicon Dioxide (SiO2) - variety 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

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

Yellow Quartz (SiO2 (Silicon Dioxide)) — mineral

Yellow Quartz

SiO2 (Silicon Dioxide)

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

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

Blue Chalcedony (Agate)

Silicon Dioxide (SiO2)

Graphite (Graphite (Carbon, C)) — Mineral

Graphite

Graphite (Carbon, C)

Blue Agate Slice (Chalcedony (SiO2)) — gemstone

Blue Agate Slice

Chalcedony (SiO2)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Feldspar (Potassium or Plagioclase Feldspar (KAlSi3O8 - NaAlSi3O8)) — mineral

Feldspar

Potassium or Plagioclase Feldspar (KAlSi3O8 - NaAlSi3O8)

Limonite Concretion (Hydrated Iron Oxide Hydroxide, FeO(OH)nH2O) — mineral

Limonite Concretion

Hydrated Iron Oxide Hydroxide, FeO(OH)nH2O

Copper Ore (Malachite and Limonite bearing) (Cuprite, Malachite, and Limonite mixture) — mineral

Copper Ore (Malachite and Limonite bearing)

Cuprite, Malachite, and Limonite mixture

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

Blue Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

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

Dyed Dalmatian Stone

Aplite (Alkali-feldspar granite) with Arfvedsonite

Concrete Paver (Artificial Cementitious Rock) (Hydrated Portland Cement Aggregate) — Sedimentary (Synthetic)

Concrete Paver (Artificial Cementitious Rock)

Hydrated Portland Cement Aggregate

Sedimentary (Synthetic)

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

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

Magenta Tiger's Eye (Silicon dioxide with crocidolite inclusions (SiO2), dyed) — gemstone

Magenta Tiger's Eye

Silicon dioxide with crocidolite inclusions (SiO2), dyed

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

Frosted Quartz (Silicon Dioxide (SiO2)) — mineral

Frosted Quartz

Silicon Dioxide (SiO2)

Dyed Agate (Agate (SiO2)) — Mineral

Dyed Agate

Agate (SiO2)

Aura Quartz (Silicon Dioxide (SiO2) with Titanium/Metal vapor coating) — mineral

Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating