Rock Identifier

Category

Not A Rock (Animated Character)

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

Learn about Not A Rock (Animated Character) in the encyclopedia

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Bumblebee Jasper

Bumblebee Jasper

Dragon Blood Jasper

Shadow Agate

Alnöite

Arkose

Andesite

Tumbled agate (Agate, a banded variety of microcrystalline quartz (SiO₂; chalcedony)) — mineral

Tumbled agate

Agate, a banded variety of microcrystalline quartz (SiO₂; chalcedony)

Polished banded agate (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Polished banded agate

Microcrystalline quartz (chalcedony), SiO₂

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Limonite (FeO(OH)·n(H2O)) — mineral

Limonite

FeO(OH)·n(H2O)

Limonite (FeO(OH)·n(H2O)) — mineral

Limonite

FeO(OH)·n(H2O)

Banded Jasper (Silicate Mineral (Microcrystalline Quartz / SiO2)) — sedimentary

Banded Jasper

Silicate Mineral (Microcrystalline Quartz / SiO2)

Blue opalite glass cabochon (likely imitation opal) (Man-made opalescent glass; not a natural mineral) — gemstone

Blue opalite glass cabochon (likely imitation opal)

Man-made opalescent glass; not a natural mineral

Tree Agate (Silicon Dioxide (SiO2) with dendritic inclusions) — mineral

Tree Agate

Silicon Dioxide (SiO2) with dendritic inclusions

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Geode (Unopened) (Silica Concretion / Geode (Formula: SiO2 for quartz internal contents)) — sedimentary

Geode (Unopened)

Silica Concretion / Geode (Formula: SiO2 for quartz internal contents)

Chert in Limestone (or Flint Nodule) (Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)) — sedimentary

Chert in Limestone (or Flint Nodule)

Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)

Dyed Agate Slice (Silicon Dioxide (SiO2) with artificial dyes) — mineral

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial dyes

Red Sandstone (Sandstone (Quartz Arenite / Arkose with Hematite cement)) — sedimentary

Red Sandstone

Sandstone (Quartz Arenite / Arkose with Hematite cement)

Pink potassium feldspar (likely orthoclase) (Orthoclase, KAlSi₃O₈) — mineral

Pink potassium feldspar (likely orthoclase)

Orthoclase, KAlSi₃O₈

Amazonite (Microcline (KAlSi3O8) with trace lead (Pb)) — mineral

Amazonite

Microcline (KAlSi3O8) with trace lead (Pb)

Greenstone (likely chlorite- or epidote-rich metamorphic rock) (Greenstone; commonly metamorphosed basalt or dolerite, with chlorite, epidote, and actinolite) — metamorphic

Greenstone (likely chlorite- or epidote-rich metamorphic rock)

Greenstone; commonly metamorphosed basalt or dolerite, with chlorite, epidote, and actinolite

Chevron Amethyst (Silicon Dioxide (Quartz variety) - SiO2) — mineral

Chevron Amethyst

Silicon Dioxide (Quartz variety) - SiO2

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Potassium Feldspar (Orthoclase) (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Potassium Feldspar (Orthoclase)

KAlSi3O8 (Potassium Aluminum Silicate)

Labradorite pendant (Labradorite, a plagioclase feldspar: (Ca,Na)(Al,Si)₄O₈) — mineral

Labradorite pendant

Labradorite, a plagioclase feldspar: (Ca,Na)(Al,Si)₄O₈

Red garnet (possible rough gem fragment) (Likely almandine garnet, Fe₃Al₂(SiO₄)₃; identification from the image is uncertain) — gemstone

Red garnet (possible rough gem fragment)

Likely almandine garnet, Fe₃Al₂(SiO₄)₃; identification from the image is uncertain

Carnelian (Carnelian Agate) (Silicon dioxide (SiO2) - a variety of Chalcedony) — mineral

Carnelian (Carnelian Agate)

Silicon dioxide (SiO2) - a variety of Chalcedony

Blue tumbled stone, possibly sodalite (Unidentified blue mineral; sodalite (Na₈(Al₆Si₆O₂₄)Cl₂) is one possibility) — mineral

Blue tumbled stone, possibly sodalite

Unidentified blue mineral; sodalite (Na₈(Al₆Si₆O₂₄)Cl₂) is one possibility

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Agate (SiO2 (Silicon Dioxide)) — Mineral

Agate

SiO2 (Silicon Dioxide)

Dumortierite Quartz (Aluminum Borate Silicate Oxide (Al7BO3(SiO4)3O3)) — mineral

Dumortierite Quartz

Aluminum Borate Silicate Oxide (Al7BO3(SiO4)3O3)

Agate (Silicon Dioxide (Chalcedony variety, $SiO_2$)) — gemstone

Agate

Silicon Dioxide (Chalcedony variety, $SiO_2$)

Moss Agate (Chalcedony with inclusions) — mineral

Moss Agate

Chalcedony with inclusions

Gneiss (High-grade regional metamorphic rock (Foliated)) — metamorphic

Gneiss

High-grade regional metamorphic rock (Foliated)

Epidote (Epidote (Ca2(Al, Fe)3(SiO4)3(OH))) — mineral

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Amethyst (Amethyst (Silicon Dioxide - SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2)

Blue sodalite (likely tumbled) (Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂) — mineral

Blue sodalite (likely tumbled)

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

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

Amethyst (Quartz)

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz (Silicon Dioxide (SiO2) with aluminum impurities) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities

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

Garnet

Almandine (Fe3Al2(SiO4)3)

Limonite with Quartz (Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)) — mineral

Limonite with Quartz

Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)

Obsidian (Volcanic Glass (High silica amorphous rock)) — igneous

Obsidian

Volcanic Glass (High silica amorphous rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Common Opal (Hydrated amorphous form of silica (SiO2·nH2O)) — mineral

Common Opal

Hydrated amorphous form of silica (SiO2·nH2O)