Rock Identifier

Category

Man Made Object (Simulant)

Browse man made object (simulant) specimens identified by the Rock Identifier community.

Learn about Man Made Object (Simulant) in the encyclopedia

Opalite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Goldstone

Map Jasper

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Andalusite

Zincite

Transvaal Jade

Marl

Dunite

Coquina

Agate (Silicon dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon dioxide (Chalcedony), SiO2

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Green Aventurine (Quartz variety with fuchsite inclusions (SiO2)) — mineral

Green Aventurine

Quartz variety with fuchsite inclusions (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Green Aventurine (Quartz (SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

White Jade (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)) — gemstone

White Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Jasper in Quartz / Brecciated Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Jasper in Quartz / Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Bloodstone (Chalcedony (Variety Heliotrope), SiO2) — mineral

Bloodstone

Chalcedony (Variety Heliotrope), SiO2

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

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

Quartz (Jasper / Chert)

Silicon Dioxide (SiO2)

Green Jade (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)) — gemstone

Green Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Hematite Nodule / Concretion (Hematite (Fe2O3)) — mineral

Hematite Nodule / Concretion

Hematite (Fe2O3)

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz)

Aventurine (Silicon dioxide (Quartz) with inclusions (KAl2(AlSi3O10)(OH)2)) — mineral

Aventurine

Silicon dioxide (Quartz) with inclusions (KAl2(AlSi3O10)(OH)2)

Jasper (Silicon dioxide (SiO2)) — Mineral / Sedimentary

Jasper

Silicon dioxide (SiO2)

Mineral / Sedimentary

Petrified Wood (Jet or Coalified Wood appearance) (Silicified wood (principally SiO2) or Carbonized Wood) — sedimentary

Petrified Wood (Jet or Coalified Wood appearance)

Silicified wood (principally SiO2) or Carbonized Wood

Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate) (Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement) — Mineral

Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)

Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement

Petrified Wood (Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, formula: SiO2)

Granite (Granite (Plutonic Igneous Rock)) — igneous

Granite

Granite (Plutonic Igneous Rock)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Granite (Granite (Silicic Intrusive Igneous Rock)) — Igneous

Granite

Granite (Silicic Intrusive Igneous Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (phaneritic intrusive igneous rock consisting of quartz, feldspar, and mica)) — igneous

Granite

Granite (phaneritic intrusive igneous rock consisting of quartz, feldspar, and mica)

Granite (Granite (a plutonic rock)) — Igneous

Granite

Granite (a plutonic rock)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (mostly SiO2)) — sedimentary

Sandstone

Arenite (mostly SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Granite (Granite (Mainly Quartz SiO2, Feldspar KAlSi3O8, and Mica KAl2(AlSi3O10)(OH)2)) — Igneous

Granite

Granite (Mainly Quartz SiO2, Feldspar KAlSi3O8, and Mica KAl2(AlSi3O10)(OH)2)

Fulgarite (Fulgurite (Lechatelierite / Vitrified Sand)) — igneous

Fulgarite

Fulgurite (Lechatelierite / Vitrified Sand)

Chalk (Carbonate rock (mainly CaCO3)) — sedimentary

Chalk

Carbonate rock (mainly CaCO3)

Polished green moss agate cabochon (Moss agate: microcrystalline quartz (SiO₂) with included chlorite/actinolite or iron-manganese minerals) — mineral

Polished green moss agate cabochon

Moss agate: microcrystalline quartz (SiO₂) with included chlorite/actinolite or iron-manganese minerals

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

Coquina

Biogenic Limestone (Calcium Carbonate, CaCO3)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Green Quartzite (Metamorphic Quartzite (often colored by chromium-bearing minerals or fuchsite)) — metamorphic

Green Quartzite

Metamorphic Quartzite (often colored by chromium-bearing minerals or fuchsite)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

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

Flint / Chert

Microcrystalline quartz (SiO2)