Rock Identifier

Category

Man Made Material (Metal)

Browse man made material (metal) specimens identified by the Rock Identifier community.

Learn about Man Made Material (Metal) in the encyclopedia

Opalite

Platinum

Gold

Copper

Silver

Peat

Map Jasper

Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Dunite

Andalusite

Coquina and Oyster Fossil Rock (Coquina limestone (Calcium Carbonate, CaCO3) containing fossilized Crassostrea / bivalve shells) — fossil

Coquina and Oyster Fossil Rock

Coquina limestone (Calcium Carbonate, CaCO3) containing fossilized Crassostrea / bivalve shells

Vesicular volcanic rock, likely weathered pumice or scoria (Pumice/scoria; predominantly volcanic glass and feldspar, with possible iron oxides) — igneous

Vesicular volcanic rock, likely weathered pumice or scoria

Pumice/scoria; predominantly volcanic glass and feldspar, with possible iron oxides

Quartz Vein in Amphibolite / Gneiss (Quartz (SiO2) in Mafic Metamorphic Host Rock) — metamorphic

Quartz Vein in Amphibolite / Gneiss

Quartz (SiO2) in Mafic Metamorphic Host Rock

Quartz Vein in Granite (Crystalline Silicon Dioxide (SiO2) in Granitic Matrix) — mineral/igneous

Quartz Vein in Granite

Crystalline Silicon Dioxide (SiO2) in Granitic Matrix

mineral/igneous

Sandstone (Arenite (composed primarily of Quartz: SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of Quartz: SiO2)

Cubic Zirconia (Simulated Diamond) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (Simulated Diamond)

Zirconium Dioxide (ZrO2)

mineral (synthetic)

Diorite (Diorite (Plagioclase feldspar and amphibole/biotite)) — igneous

Diorite

Diorite (Plagioclase feldspar and amphibole/biotite)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Black Chert River Stone (Cryptocrystalline Quartz (SiO2)) — sedimentary

Black Chert River Stone

Cryptocrystalline Quartz (SiO2)

Malachite (Malachite (Cu2CO3(OH)2)) — mineral

Malachite

Malachite (Cu2CO3(OH)2)

Swirled Agate Bead (Silicon Dioxide (SiO2)) — mineral

Swirled Agate Bead

Silicon Dioxide (SiO2)

Marble (Metamorphic Limestone (CaCO3)) — metamorphic

Marble

Metamorphic Limestone (CaCO3)

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

Chert (Flint Nodules)

Cryptocrystalline Quartz (SiO2)

Natural Pearl (appearing in a jewelry setting) (Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin) — mineral

Natural Pearl (appearing in a jewelry setting)

Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin

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

Rough Diamond

Diamond (pure Carbon, C)

Amethyst (Tumbled Cabinet Stone) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Tumbled Cabinet Stone)

Silicon Dioxide (SiO2) with iron impurities

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Pink Granite (Intrusive Igneous Rock (high K-feldspar content)) — igneous

Pink Granite

Intrusive Igneous Rock (high K-feldspar content)

Chert (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert

Cryptocrystalline Quartz (SiO2)

Granite (Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

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

Chert (Nodule)

Chert (Silicon Dioxide, SiO2)

Onyx (Chalcedony (SiO2) with parallel banding) — mineral

Onyx

Chalcedony (SiO2) with parallel banding

Quartzite (Metamorphic rock primarily composed of Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic rock primarily composed of Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Anthracite (Anthracite Coal (C)) — sedimentary

Anthracite

Anthracite Coal (C)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Banded Black Onyx (Chalcedony) (Silicon Dioxide (SiO₂)) — mineral

Banded Black Onyx (Chalcedony)

Silicon Dioxide (SiO₂)

Blue calcite sphere (Calcite (CaCO₃), commonly blue-calcite variety) — mineral

Blue calcite sphere

Calcite (CaCO₃), commonly blue-calcite variety

Dalmatian Stone (commonly called Dalmatian Jasper) (Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)) — igneous

Dalmatian Stone (commonly called Dalmatian Jasper)

Peralkaline Rock (mixed Feldspar, Quartz, and Arfvedsonite)

Quartzite (Metamorphosed Quartz Sandstone) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)

Beryl (likely Aquamarine) in matrix (Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)) — mineral

Beryl (likely Aquamarine) in matrix

Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)

Quartzite (or Milky Quartz pebble) (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Quartzite (or Milky Quartz pebble)

Quartzite (primarily Silicon Dioxide, SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Smoky Quartz

Silicon Dioxide (SiO2) with trace aluminum and irradiation