Rock Identifier

Category

Mineral Like Biological Tissue

Browse mineral like biological tissue specimens identified by the Rock Identifier community.

Learn about Mineral Like Biological Tissue in the encyclopedia

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Psilomelane (Manganese Ore) (Psilomelane (Ba,H2O)2Mn5O10) — mineral

Psilomelane (Manganese Ore)

Psilomelane (Ba,H2O)2Mn5O10

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Bauxite (Bauxite (Al2O3·nH2O)) — sedimentary

Bauxite

Bauxite (Al2O3·nH2O)

Mica (Muscovite) in Granite (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Mica (Muscovite) in Granite

Muscovite (KAl2(AlSi3O10)(OH)2)

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Obsidian (Amorphous volcanic glass (primarily SiO2)) — igneous

Obsidian

Amorphous volcanic glass (primarily SiO2)

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

Gneiss

Gneiss (High-grade regional metamorphic rock)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Fossilized Shark Tooth (Eroded) (Carcharodon sp. or Otodus sp. fragment (likely)) — fossil

Fossilized Shark Tooth (Eroded)

Carcharodon sp. or Otodus sp. fragment (likely)

Blue Quartz (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Pink Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Pink Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Obsidian (Volcanic glass (SiO2 + impurities)) — igneous

Obsidian

Volcanic glass (SiO2 + impurities)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) in a Geodic structure) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in a Geodic structure

Limonite (Gossan) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Gossan)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Malachite (Copper carbonate hydroxide [Cu2CO3(OH)2]) — mineral

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Fossilized Shark Tooth (Chondrichthyes (class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (class)

Conglomerate (Conglomerate (Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary Rock)

Mica Schist with Garnet (Almandine-Mica Schist) — metamorphic

Mica Schist with Garnet

Almandine-Mica Schist

Greenschist (Greenschist (Chlorite-Albite-Epidote Schist)) — metamorphic

Greenschist

Greenschist (Chlorite-Albite-Epidote Schist)

Ironstone with Pyrite (Ferruginous Sandstone (Fe2O3) with minor Sulfide minerals (FeS2)) — sedimentary

Ironstone with Pyrite

Ferruginous Sandstone (Fe2O3) with minor Sulfide minerals (FeS2)

Orthoclase Feldspar (KAlSi3O8 (Potassium aluminum silicate)) — mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium aluminum silicate)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) in Geode form) — sedimentary

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in Geode form

Sandstone (Arenite (Quartz Sandstone)) — sedimentary

Sandstone

Arenite (Quartz Sandstone)

Kimberlite (Kimberlite (Group I or II)) — igneous

Kimberlite

Kimberlite (Group I or II)

Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

Polished agate/jasper pebble (Microcrystalline quartz (chalcedony), SiO₂, with likely iron-oxide and clay inclusions) — mineral

Polished agate/jasper pebble

Microcrystalline quartz (chalcedony), SiO₂, with likely iron-oxide and clay inclusions

Bauxite (Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))

Chrysotile Asbestos (Chrysotile [Mg3Si2O5(OH)4]) — mineral

Chrysotile Asbestos

Chrysotile [Mg3Si2O5(OH)4]

Sphalerite with Agate and Druzy Quartz (Zinc Sulfide (ZnS) with Silicon Dioxide (SiO2)) — mineral

Sphalerite with Agate and Druzy Quartz

Zinc Sulfide (ZnS) with Silicon Dioxide (SiO2)

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

Feldspar (Orthoclase)

Potassium Feldspar (KAlSi3O8)

Quartz with Sericite and Cinnabar (Silicon Dioxide (SiO2) with muscovite/sericite and mercury sulfide (HgS)) — mineral

Quartz with Sericite and Cinnabar

Silicon Dioxide (SiO2) with muscovite/sericite and mercury sulfide (HgS)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Corundum (Sapphire/Ruby in Matrix) (Aluminium oxide (Al2O3)) — mineral

Corundum (Sapphire/Ruby in Matrix)

Aluminium oxide (Al2O3)

Okenite (in Zeolite matrix) (Okenite (CaSi2O5 · 2H2O)) — mineral

Okenite (in Zeolite matrix)

Okenite (CaSi2O5 · 2H2O)

Greenschist (Greenschist (Chlorite-actinolite schist)) — metamorphic

Greenschist

Greenschist (Chlorite-actinolite schist)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)

Fossilized Shark Tooth (Bioapatite (Calcium Hydroxyapatite) replacement) — mineral

Fossilized Shark Tooth

Bioapatite (Calcium Hydroxyapatite) replacement

Drupa or Druzy Quartz on Geode Fragment (Crystalline Silicon Dioxide (SiO2)) — mineral

Drupa or Druzy Quartz on Geode Fragment

Crystalline Silicon Dioxide (SiO2)

Greenstone (Metabasalt) — metamorphic

Greenstone

Metabasalt