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

Dyed Agate (Chalcedony (SiO2)) — mineral

Dyed Agate

Chalcedony (SiO2)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

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

Milky Quartz Beads

SiO2 (Silicon Dioxide)

Quartz (SiO2 (Silicon Dioxide)) — mineral

Quartz

SiO2 (Silicon Dioxide)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Howlite and Tree Agate (Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Agate/Quartz)) — mineral

Howlite and Tree Agate

Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Agate/Quartz)

Aventurine and Amazonite (Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)) — Mineral

Aventurine and Amazonite

Silicon Dioxide (SiO2) with inclusions and Microcline (KAlSi3O8)

Agate (Agate (Chalcedony), SiO2) — Mineral

Agate

Agate (Chalcedony), SiO2

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)

Blue Lace Agate (Geode/Druzy variant) (Chalcedony (SiO2) with Quartz druzy) — mineral

Blue Lace Agate (Geode/Druzy variant)

Chalcedony (SiO2) with Quartz druzy

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

Vesicular Basalt (Lava Rock)

Vesicular Basalt

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

Milky Quartz (Ferruginous)

Silicon Dioxide (SiO2)

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

Labradorite

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

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2) with trace aluminum and irradiation) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with trace aluminum and irradiation

Chrysocolla in Matrix (Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O))) — mineral

Chrysocolla in Matrix

Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O))

Stilbite (Stilbite (Hydrated calcium sodium aluminum silicate, NaCa4[Al9Si27O72]·28H2O)) — mineral

Stilbite

Stilbite (Hydrated calcium sodium aluminum silicate, NaCa4[Al9Si27O72]·28H2O)

Quartz (Smoky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Clear variety)

Silicon Dioxide (SiO2)

Biotite Schist (Schist (Biotite-dominated)) — metamorphic

Biotite Schist

Schist (Biotite-dominated)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Fossilized Coral (Favosites) (Favosites goldfussi / Tabulata) — sedimentary

Fossilized Coral (Favosites)

Favosites goldfussi / Tabulata

Quartz Pebble (Quartz (Silicon Dioxide - SiO2)) — mineral

Quartz Pebble

Quartz (Silicon Dioxide - SiO2)

Granite (Granite) — igneous

Granite

Granite

Rugose Coral (Horn Coral) (Order Rugosa (extinct fossilized coral)) — sedimentary

Rugose Coral (Horn Coral)

Order Rugosa (extinct fossilized coral)

Biotite Schist (Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]) — metamorphic

Biotite Schist

Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]

Iron-rich sandstone (Gozan/Ironstone) (Ferruginous Sandstone (clastic sedimentary rock)) — sedimentary

Iron-rich sandstone (Gozan/Ironstone)

Ferruginous Sandstone (clastic sedimentary rock)

Chalcedony Geode / Quartz Druzy (Silicon Dioxide (SiO2)) — mineral

Chalcedony Geode / Quartz Druzy

Silicon Dioxide (SiO2)

Black Obsidian cabochon (Volcanic Glass (SiO2 + impurities)) — igneous

Black Obsidian cabochon

Volcanic Glass (SiO2 + impurities)

Native Copper (Copper (Cu)) — mineral

Native Copper

Copper (Cu)

Septarian Nodule Segment (Commonly known as Dragon Stone or Lightning Stone) (Septarian Nodule (CaCO3 / Hydrated Calcium Carbonate)) — sedimentary

Septarian Nodule Segment (Commonly known as Dragon Stone or Lightning Stone)

Septarian Nodule (CaCO3 / Hydrated Calcium Carbonate)

Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride - CaF2)

Diorite (Intrusive Igneous Rock (Intermediate Composition)) — igneous

Diorite

Intrusive Igneous Rock (Intermediate Composition)

Mica (Muscovite / Biotite (Phyllosilicate group)) — mineral

Mica

Muscovite / Biotite (Phyllosilicate group)

Jet (Lignite (Anthracite-grade compact coal)) — sedimentary

Jet

Lignite (Anthracite-grade compact coal)

Quartz (specifically Clear and Rose Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Clear and Rose Quartz)

Silicon Dioxide (SiO2)

Titanium Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Jasper (Wonderstone/Banded Jasper) (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary (chemical/biological origin) or volcanic-related metamorphic

Jasper (Wonderstone/Banded Jasper)

Silicon Dioxide (SiO2) with iron oxide impurities

sedimentary (chemical/biological origin) or volcanic-related metamorphic

Greenschist (Greenschist (Chlorite Schist)) — metamorphic

Greenschist

Greenschist (Chlorite Schist)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Kfeldspar (Potassium Feldspar) (KAlSi3O8) — mineral

Kfeldspar (Potassium Feldspar)

KAlSi3O8