Rock Identifier

Category

Man Made (Synthetic Rock)

Browse man made (synthetic rock) specimens identified by the Rock Identifier community.

Learn about Man Made (Synthetic Rock) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Talc-carbonate Rock

Talc-carbonate Rock

Calc-Silicate Rock

Calc-Silicate Rock

Opalite

Zincite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Lead Feldspar

Goldstone

Anorthosite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Coquina (Biogenic Limestone (Calcite, CaCO3)) — sedimentary

Coquina

Biogenic Limestone (Calcite, CaCO3)

Coquina (Biogenic Limestone (Coquina)) — sedimentary

Coquina

Biogenic Limestone (Coquina)

Granite (Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)) — igneous

Granite

Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Tumbled greenstone, likely nephrite jade (Nephrite jade (interlocking tremolite–actinolite amphibole; Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)) — metamorphic

Tumbled greenstone, likely nephrite jade

Nephrite jade (interlocking tremolite–actinolite amphibole; Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Diamond (C (Pure Carbon)) — gemstone

Diamond

C (Pure Carbon)

Chalk (Calcite (CaCO3)) — sedimentary

Chalk

Calcite (CaCO3)

Chert / Flint (Silicon Dioxide (SiO2)) — sedimentary

Chert / Flint

Silicon Dioxide (SiO2)

Chalcedony (Common Opal or Agate variant) (Silicon dioxide (SiO2) with trace hydration) — mineral

Chalcedony (Common Opal or Agate variant)

Silicon dioxide (SiO2) with trace hydration

Peanut Wood (Petrified Wood (Silicified Araucaria with Teredo boreholes)) — fossil

Peanut Wood

Petrified Wood (Silicified Araucaria with Teredo boreholes)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Fossilized Shark Tooth (Eroded) (Carcharodon sp. or Otodus sp. fragment (likely)) — fossil

Fossilized Shark Tooth (Eroded)

Carcharodon sp. or Otodus sp. fragment (likely)

Fossiliferous Limestone (Crinoid stem fossils) (Sedimentary Limestone with Crinoidea ossicles) — fossil

Fossiliferous Limestone (Crinoid stem fossils)

Sedimentary Limestone with Crinoidea ossicles

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Jasper (Iron-rich Chalcedony) (Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)) — Sedimentary / Metamorphic

Jasper (Iron-rich Chalcedony)

Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)

Sedimentary / Metamorphic

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Chert (Yellow/Tan variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow/Tan variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Amethyst (Amethyst (Silicon Dioxide - SiO2 with Iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)

Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert Nodule (Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert Nodule (Flint)

Chert (Silicon Dioxide, SiO2)

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

Diamond

Diamond (Pure Carbon, C)

Chert (Flint) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Asphalt (Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)) — Sedimentary

Asphalt

Asphalt concrete (engineered material, not a naturally occurring rock/mineral in this form)

Chert / Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline Quartz (SiO2)

Petoskey Stone (Hexagonaria percarinata) — fossil

Petoskey Stone

Hexagonaria percarinata

Aventurine (Aventurine Quartz (SiO2 with inclusions of Fuchsite)) — metamorphic

Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Chert (varieties: Flint or Jasper) (Silicon dioxide (SiO2) / Microcrystalline Quartz) — sedimentary

Chert (varieties: Flint or Jasper)

Silicon dioxide (SiO2) / Microcrystalline Quartz

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Chert (Nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Chert / Flint (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert / Flint

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Rough Diamond (Diamond (pure Carbon, C)) — mineral

Rough Diamond

Diamond (pure Carbon, C)