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 (Silica (Chalcedony), SiO2) — sedimentary

Agate

Silica (Chalcedony), SiO2

Jasper and Agate (Polychrome Jasper / Mookaite variety) (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Agate (Polychrome Jasper / Mookaite variety)

Silicon dioxide (SiO2) microcrystalline quartz

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Prehnite (Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

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

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Unakite (Metamorphosed Granite (Epidotized Feldspar and Quartz)) — metamorphic

Unakite

Metamorphosed Granite (Epidotized Feldspar and Quartz)

Labradorite (Small Tumbled or Water-Worn Fragment) ((Ca,Na)(Al,Si)4O8) — mineral

Labradorite (Small Tumbled or Water-Worn Fragment)

(Ca,Na)(Al,Si)4O8

Amazonite (K(AlSi3O8) - Microcline Feldspar) — mineral

Amazonite

K(AlSi3O8) - Microcline Feldspar

Septarian Nodule (Septarian concretion (composition: Calcium carbonate, Aragonite, and Siderite/Baryte)) — sedimentary

Septarian Nodule

Septarian concretion (composition: Calcium carbonate, Aragonite, and Siderite/Baryte)

Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

Agate (SiO2) — Mineral

Agate

SiO2

Gold (Gold (Au)) — mineral

Gold

Gold (Au)

Sandstone (Pebble) (Arenite) — sedimentary

Sandstone (Pebble)

Arenite

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Smoky Quartz (Silicon Dioxide (SiO2) with trace aluminum and irradiation) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with trace aluminum and irradiation

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

Banded Calcite (often sold as 'Mexican Onyx')

Calcite (Calcium Carbonate - CaCO3)

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

Chert (Flint)

Microcrystalline quartz (SiO2)

Chalcedony (Agate/Jasper Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony (Agate/Jasper Nodule)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Calcite (Calcite (Calcium Carbonate - CaCO3)) — mineral

Calcite

Calcite (Calcium Carbonate - CaCO3)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Tumbled green aventurine (probable) (Quartzite dominated by quartz (SiO₂), with green mica/fuchsite or chlorite inclusions) — mineral

Tumbled green aventurine (probable)

Quartzite dominated by quartz (SiO₂), with green mica/fuchsite or chlorite inclusions

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Petoskey Stone (Favosites alpenensis) — fossil

Petoskey Stone

Favosites alpenensis

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Mahogany Obsidian (Volcanic glass (SiO2 with Hematite/Magnetite inclusions)) — igneous

Mahogany Obsidian

Volcanic glass (SiO2 with Hematite/Magnetite inclusions)

Sandstone (Sandstone (clastic sedimentary rock, predominantly SiO2)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock, predominantly SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Chert (Green Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Green Chert or Jasper)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (varietal Chalcedony or Flint) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (varietal Chalcedony or Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Granite (Phaneritic Igneous Rock (primarily SiO2, Al2O3, K2O, Na2O)) — igneous

Granite

Phaneritic Igneous Rock (primarily SiO2, Al2O3, K2O, Na2O)