Rock Identifier

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Not A Rock (Animated Character)

Browse not a rock (animated character) specimens identified by the Rock Identifier community.

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Sodalite (Sodalite - Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Tree Agate (also known as Dendritic Agate) (Silicon Dioxide with inclusions (SiO2 + Mn/Fe)) — mineral

Tree Agate (also known as Dendritic Agate)

Silicon Dioxide with inclusions (SiO2 + Mn/Fe)

Arfvedsonite (often mistakenly sold as Astrophyllite) (Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]) — mineral

Arfvedsonite (often mistakenly sold as Astrophyllite)

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]

Moss Agate (Chalcedony (Silicon Dioxide, SiO2) with dendritic inclusions) — mineral

Moss Agate

Chalcedony (Silicon Dioxide, SiO2) with dendritic inclusions

Moonstone (Orthoclase (Potassium aluminum silicate - KAlSi3O8)) — mineral

Moonstone

Orthoclase (Potassium aluminum silicate - KAlSi3O8)

Limonite (Iron Ore) (Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)

Almandine Garnet (Iron aluminum silicate - Fe3Al2(SiO4)3) — metamorphic

Almandine Garnet

Iron aluminum silicate - Fe3Al2(SiO4)3

Pink Opal (Amorphous Hydrous Silica (SiO2·nH2O)) — mineral

Pink Opal

Amorphous Hydrous Silica (SiO2·nH2O)

Limonite Concretion (Limonite (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion

Limonite (FeO(OH)·nH2O)

Greenschist (Greenschist) — metamorphic

Greenschist

Greenschist

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Vesicular Basalt (Lava Rock) (Aphanitic Mafic Igneous Rock) — igneous

Vesicular Basalt (Lava Rock)

Aphanitic Mafic Igneous Rock

Picture Jasper (Silicified sedimentary or volcanic rock (primarily SiO2)) — sedimentary

Picture Jasper

Silicified sedimentary or volcanic rock (primarily SiO2)

Ferruginous Sandstone (Sandstone (arenite) with Limonite/Goethite cement) — sedimentary

Ferruginous Sandstone

Sandstone (arenite) with Limonite/Goethite cement

Moonstone (Feldspar (Orthoclase with Albite), (K,Na)AlSi3O8) — mineral

Moonstone

Feldspar (Orthoclase with Albite), (K,Na)AlSi3O8

Moss Agate (Chalcedony (Silicon Dioxide, SiO2) with inclusions) — mineral

Moss Agate

Chalcedony (Silicon Dioxide, SiO2) with inclusions

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)

Clear Quartz (Druzy/Crystal Cluster) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Druzy/Crystal Cluster)

Silicon Dioxide (SiO2)

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

Amethyst (Faceted)

Silicon Dioxide with Iron impurities (SiO2)

Limonite Concretion (Ironstone) (Limonite / Goethite (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion (Ironstone)

Limonite / Goethite (FeO(OH)·nH2O)

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

Moss Agate and Hematite (Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)) — mineral

Moss Agate and Hematite

Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Limonite (Iron-rich Siltstone / Sandstone base) (Hydrous ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)

Epidosite (Epidosite (predominantly Epidote {Ca2Al2Fe3+Si3O12(OH)} and Quartz {SiO2})) — metamorphic

Epidosite

Epidosite (predominantly Epidote {Ca2Al2Fe3+Si3O12(OH)} and Quartz {SiO2})

Botryoidal Chalcedony (Agate/Chert Nodule) (Chalcedony (SiO2)) — mineral

Botryoidal Chalcedony (Agate/Chert Nodule)

Chalcedony (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Red Jasper (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Carnelian Agate (Carnelian (SiO2 with iron oxide impurities)) — mineral

Carnelian Agate

Carnelian (SiO2 with iron oxide impurities)

Carnelian Agate (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate

Silicon Dioxide (SiO2)

Agate (Moss or Dendritic Agate) (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Agate (Moss or Dendritic Agate)

Chalcedony (Silicon Dioxide, SiO2)

Carnelian (SiO2 (Silicon Dioxide) - Translucent Chalcedony) — mineral

Carnelian

SiO2 (Silicon Dioxide) - Translucent Chalcedony

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

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Amethyst (Amethyst (SiO2 with Iron impurities)) — mineral

Amethyst

Amethyst (SiO2 with Iron impurities)

Amazonite (Amazonstone (KAlSi3O8)) — mineral

Amazonite

Amazonstone (KAlSi3O8)

Garnet (Almandine) (Almandine (Fe3Al2(SiO4)3)) — mineral

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

Vesicular Basalt with Lichen (Vesicular Basalt) — igneous

Vesicular Basalt with Lichen

Vesicular Basalt

Labradorite (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

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

Golden Healer Quartz (Ferruginous Quartz (SiO2 with Fe2O3 inclusions)) — mineral

Golden Healer Quartz

Ferruginous Quartz (SiO2 with Fe2O3 inclusions)