Rock Identifier

Category

Organic Gem Material (Botanical)

Browse organic gem material (botanical) specimens identified by the Rock Identifier community.

Learn about Organic Gem Material (Botanical) in the encyclopedia

Gem Silica

Gem Silica

Sapropel

Sapropel

Peat

Peat

Jet

Jet

Bituminous Shale

Bituminous Shale

Diamond

Diamond

Black Shale

Black Shale

Pearl

Pearl

Elbaite

Elbaite

Peridot

Peridot

Pegmatite

Pegmatite

Iolite

Iolite

Ruby in Zoisite (Ruby (α-Al2O3) embedded in Zoisite (Ca2Al3(SiO4)3(OH)) with some Hornblende) — Metamorphic Rock (composed of multiple minerals)

Ruby in Zoisite

Ruby (α-Al2O3) embedded in Zoisite (Ca2Al3(SiO4)3(OH)) with some Hornblende

Metamorphic Rock (composed of multiple minerals)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Aquamarine (Beryl (Be3Al2Si6O18)) — gemstone

Aquamarine

Beryl (Be3Al2Si6O18)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Blue Apatite (Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)) — mineral

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Garnet in Matrix (Almandine Garnet (Fe3Al2(SiO4)3)) — metamorphic

Garnet in Matrix

Almandine Garnet (Fe3Al2(SiO4)3)

Kyanite (Blue or Blue-Grey) (Kyanite (Al2SiO5)) — metamorphic mineral

Kyanite (Blue or Blue-Grey)

Kyanite (Al2SiO5)

metamorphic mineral

Amazonite (Amazonite (Microcline) - K(AlSi3O8)) — mineral

Amazonite

Amazonite (Microcline) - K(AlSi3O8)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

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

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Tumbled Moonstone (Feldspar (Orthoclase/Albite), KAlSi3O8) — mineral

Tumbled Moonstone

Feldspar (Orthoclase/Albite), KAlSi3O8

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

Garnet

Almandine formula: Fe3Al2(SiO4)3

Prehnite (Prehnite (Ca2Al2Si3O10(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Beryllonite (Beryllonite (NaBePO4)) — mineral

Beryllonite

Beryllonite (NaBePO4)

Amethyst (Raw Quartz) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Raw Quartz)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Iolite (Cordierite) (Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18) — mineral

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Boulder Opal (Hydrated amorphous silica (SiO2·nH2O) in ironstone matrix) — mineral

Boulder Opal

Hydrated amorphous silica (SiO2·nH2O) in ironstone matrix

Amethyst (Quartz (Silicon Dioxide with Iron impurities), SiO2) — mineral

Amethyst

Quartz (Silicon Dioxide with Iron impurities), SiO2

Pink Tourmaline (Rubellite) (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Pink Tourmaline (Rubellite)

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

Green Quartz (Prasiolite/Adventurine/Jasper) (Silicon Dioxide (SiO2)) — mineral

Green Quartz (Prasiolite/Adventurine/Jasper)

Silicon Dioxide (SiO2)

Quartz (Citrine or Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Iron-Stained)

Silicon Dioxide (SiO2)

Sapphirine in Magnesian Schist (Sapphirine: (Mg,Al)8(Al,Si)6O20) — metamorphic

Sapphirine in Magnesian Schist

Sapphirine: (Mg,Al)8(Al,Si)6O20

Red Coral (Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)) — Mineraloid (Organic Gemstone)

Red Coral

Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)

Mineraloid (Organic Gemstone)

Pearl (Calcium Carbonate (CaCO3) + Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) + Conchiolin

Mica Schist with Garnet (Garnetiferous Mica Schist) — metamorphic

Mica Schist with Garnet

Garnetiferous Mica Schist

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

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

Amethyst

Amethyst (Silicon Dioxide with iron impurities, SiO2)

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

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

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

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

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

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Fire Agate (Silicon Dioxide (SiO2) with layers of Limonite/Goethite) — mineral

Fire Agate

Silicon Dioxide (SiO2) with layers of Limonite/Goethite

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Fossiliferous Limestone (Carbonate Rock (CaCO3 with organic inclusions)) — sedimentary

Fossiliferous Limestone

Carbonate Rock (CaCO3 with organic inclusions)

Schist (Schist (various mineral compositions)) — Metamorphic

Schist

Schist (various mineral compositions)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

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

Chalcedony (Tumbled)

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)