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

Green Jasper (Silicon Dioxide (SiO2) with iron and silicate inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with iron and silicate inclusions

Granite (Granite) — Igneous

Granite

Granite

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Garnet Schist (Almandine-bearing Mica Schist) — metamorphic

Garnet Schist

Almandine-bearing Mica Schist

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Snowflake Obsidian (Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)) — igneous

Snowflake Obsidian

Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)

Quartz (Milky/Yellowish) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Yellowish)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2 with Hematite impurities)) — mineral

Red Jasper

Silicon Dioxide (SiO2 with Hematite impurities)

Vesicular Basalt (River Pebble) (Vesicular Basalt) — igneous

Vesicular Basalt (River Pebble)

Vesicular Basalt

Hematite (likely Botryoidal or Specularite variant) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (likely Botryoidal or Specularite variant)

Iron(III) oxide (Fe2O3)

Obsidian (Obsidian (Amorphous volcanic glass, SiO2 rich)) — igneous

Obsidian

Obsidian (Amorphous volcanic glass, SiO2 rich)

Green Aventurine (Quartz (SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Snowflake Obsidian (Volcanic glass with Phenocrysts (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass with Phenocrysts (SiO2)

Sandstone or Quartzite (Arenite (if sedimentary) / Quartzite (if metamorphic)) — Sedimentary or Metamorphic

Sandstone or Quartzite

Arenite (if sedimentary) / Quartzite (if metamorphic)

Sedimentary or Metamorphic

Obsidian (Volcanic Glass (Amorphous Silica, SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous Silica, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Obsidian (Obsidian (principally SiO2 - Silicon Dioxide)) — igneous

Obsidian

Obsidian (principally SiO2 - Silicon Dioxide)

Scoria (Lava Rock) (Vesicular Basalt / Scoria) — igneous

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Pink Granite (Potassium-rich Granite) (Phaneritic Felsic Igneous Rock (primarily SiO2, Al2O3, K2O)) — Igneous

Pink Granite (Potassium-rich Granite)

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

Satin Spar (Satin Spar Selenite) (Gypsum (CaSO4·2H2O)) — mineral

Satin Spar (Satin Spar Selenite)

Gypsum (CaSO4·2H2O)

Sandstone (Sedimentary rock composed mainly of sand-sized minerals or rock grains) — sedimentary

Sandstone

Sedimentary rock composed mainly of sand-sized minerals or rock grains

Orthoclase Feldspar (Orthoclase (KAlSi₃O₈)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi₃O₈)

Malachite in Host Rock (Cu2CO3(OH)2) — mineral

Malachite in Host Rock

Cu2CO3(OH)2

Collection of Minerals and Ores (Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)) — mineral

Collection of Minerals and Ores

Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)

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

Limonite (Iron Ore)

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

Granite (Phaneritic Acidic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic Acidic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz with Mica (Muscovite or Biotite) (Silicon Dioxide (SiO2) with Phyllosilicates) — mineral

Quartz with Mica (Muscovite or Biotite)

Silicon Dioxide (SiO2) with Phyllosilicates

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium impurities) — mineral

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium impurities

Sandstone with Liesegang Rings (Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)) — sedimentary

Sandstone with Liesegang Rings

Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)

Sandstone (Iron-stained) (Arenite with Limonite/Hematite staining) — sedimentary

Sandstone (Iron-stained)

Arenite with Limonite/Hematite staining

Chalcedony (Botryoidal) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Granitic Pegmatite (with Pink Feldspar and Quartz) (Pegmatite (KAlSi3O8 + SiO2)) — igneous

Granitic Pegmatite (with Pink Feldspar and Quartz)

Pegmatite (KAlSi3O8 + SiO2)

Quartz / Agate Nodule (Silicon Dioxide (SiO2)) — mineral

Quartz / Agate Nodule

Silicon Dioxide (SiO2)

Granite Pebble (Granite (Plutonic Igneous Rock)) — igneous

Granite Pebble

Granite (Plutonic Igneous Rock)

Diorite (Salt and Pepper Rock) (Diorite) — igneous

Diorite (Salt and Pepper Rock)

Diorite

Quartz with Tourmaline Inclusions (Tourmalinated Quartz) (SiO2 with complex borosilicate inclusions) — Mineral

Quartz with Tourmaline Inclusions (Tourmalinated Quartz)

SiO2 with complex borosilicate inclusions

Sandstone (with Iron Staining) (Arenite (SiO2 with Fe2O3/FeOOH impurities)) — sedimentary

Sandstone (with Iron Staining)

Arenite (SiO2 with Fe2O3/FeOOH impurities)

Red Sandstone (Arenite (Fe2O3 enriched)) — sedimentary

Red Sandstone

Arenite (Fe2O3 enriched)

Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth) (Sparidae or Sciaenidae (Crushing plate dental fossil)) — fossil

Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth)

Sparidae or Sciaenidae (Crushing plate dental fossil)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)