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

Milky Quartz with Chlorite/Mica inclusions (Silicon Dioxide (SiO2) with inclusions) — mineral

Milky Quartz with Chlorite/Mica inclusions

Silicon Dioxide (SiO2) with inclusions

Rose Quartz (Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)

Serpentinite (Serpentinite (Mg3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (Mg3Si2O5(OH)4)

Yellow Chalcedony (common opal or chert variant) (Silicon Dioxide (SiO2)) — sedimentary (mineraloid/microcrystalline quartz)

Yellow Chalcedony (common opal or chert variant)

Silicon Dioxide (SiO2)

sedimentary (mineraloid/microcrystalline quartz)

Diorite (River Cobble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Cobble)

Intermediate plutonic igneous rock

Sandstone with Manganese Dendrites (Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)) — sedimentary

Sandstone with Manganese Dendrites

Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)

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

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

Black Obsidian (Amorphous volcanic glass (SiO2 + impurities)) — igneous

Black Obsidian

Amorphous volcanic glass (SiO2 + impurities)

Snowflake Obsidian (Vitreous Volcanic Glass (Siliceous Obsidian with Cristobalite inclusions)) — igneous

Snowflake Obsidian

Vitreous Volcanic Glass (Siliceous Obsidian with Cristobalite inclusions)

Banded Gneiss (Banded Gneiss (High-grade Metamorphic Rock)) — metamorphic

Banded Gneiss

Banded Gneiss (High-grade Metamorphic Rock)

Granitic Pegmatite (Muscovite and Quartz) (Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)) — igneous

Granitic Pegmatite (Muscovite and Quartz)

Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)

Pegmatitic Granite (Granite (Alkali-feldspar granite) with Quartz and Orthoclase) — igneous

Pegmatitic Granite

Granite (Alkali-feldspar granite) with Quartz and Orthoclase

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Strawberry Quartz (Silicon Dioxide (SiO2) with Hematite or Goethite inclusions) — mineral

Strawberry Quartz

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Granitic Pegmatite (Granite Pegmatite (principally KAlSi3O8, SiO2, and KAl2(AlSi3O10)(OH)2)) — igneous

Granitic Pegmatite

Granite Pegmatite (principally KAlSi3O8, SiO2, and KAl2(AlSi3O10)(OH)2)

Sandstone (Sandstone (SiO2-rich clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (SiO2-rich clastic sedimentary rock)

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

Lepidolite

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

River Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

River Jasper

Silicon Dioxide (SiO2) with impurities

Greenstone (Greenschist) — metamorphic

Greenstone

Greenschist

Ironstone Concretion (Iron-rich Mudstone) (Siderite / Geothite concretion (FeCO3 / FeO(OH))) — sedimentary

Ironstone Concretion (Iron-rich Mudstone)

Siderite / Geothite concretion (FeCO3 / FeO(OH))

Pink Granite (Phaneritic intrusive igneous rock (high Potassium-Feldspar)) — igneous

Pink Granite

Phaneritic intrusive igneous rock (high Potassium-Feldspar)

Mica Schist (Mica Schist (predominantly Muscovite or Biotite series)) — metamorphic

Mica Schist

Mica Schist (predominantly Muscovite or Biotite series)

Diorite (Intermediate Phaneritic Igneous Rock) — igneous

Diorite

Intermediate Phaneritic Igneous Rock

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Limonite/Ironstone (Limonite (FeO(OH)·nH2O)) — mineral

Limonite/Ironstone

Limonite (FeO(OH)·nH2O)

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

Lepidolite

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

Green Moss Agate (Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)) — mineral

Green Moss Agate

Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)

Blue Quartzite (Quartzite (primarily SiO2 with inclusions like Dumortierite or Magnesio-riebeckite)) — metamorphic

Blue Quartzite

Quartzite (primarily SiO2 with inclusions like Dumortierite or Magnesio-riebeckite)

Black Obsidian (Obsidian (Volcanic Glass)) — igneous

Black Obsidian

Obsidian (Volcanic Glass)

Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Conglomerate (Clastic Sedimentary Conglomerate (SiO2, CaCO3, etc.)) — sedimentary

Conglomerate

Clastic Sedimentary Conglomerate (SiO2, CaCO3, etc.)

Green Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Geode (Unopened) (Silica-rich Concretion (primarily SiO2)) — sedimentary

Geode (Unopened)

Silica-rich Concretion (primarily SiO2)

Desert Rose (Gypsum (variety Selenite) or Barite: CaSO4 · 2H2O) — mineral

Desert Rose

Gypsum (variety Selenite) or Barite: CaSO4 · 2H2O

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Chrysocolla (Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)) — mineral

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)

Desert Rose (Gypsum (variety Selenite) - CaSO4·2H2O) — mineral

Desert Rose

Gypsum (variety Selenite) - CaSO4·2H2O

Vesicular Basalt (Amygdaloidal) (Amygdaloidal Basalt) — igneous

Vesicular Basalt (Amygdaloidal)

Amygdaloidal Basalt

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

Garnet (likely Almandine)

Almandine (Fe3Al2(SiO4)3)