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

Kyanite (Kyanite (Al2SiO5)) — mineral

Kyanite

Kyanite (Al2SiO5)

Peridotite (Dunite) (Peridotite (mostly Olivine: (Mg,Fe)2SiO4)) — igneous

Peridotite (Dunite)

Peridotite (mostly Olivine: (Mg,Fe)2SiO4)

Garnet (Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3) — mineral

Garnet

Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3

Nephrite Jade (River Cobble) (Nephrite (Silicate mineral: Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade (River Cobble)

Nephrite (Silicate mineral: Ca2(Mg, Fe)5Si8O22(OH)2)

Olivine (Dunite) ((Mg,Fe)2SiO4 (Magnesium Iron Silicate)) — igneous

Olivine (Dunite)

(Mg,Fe)2SiO4 (Magnesium Iron Silicate)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Rough Emerald (Emerald (Beryl), Be3Al2(SiO3)6) — mineral

Rough Emerald

Emerald (Beryl), Be3Al2(SiO3)6

Porphyritic Basalt (Porphyritic Basalt with Olivine phenocrysts) — igneous

Porphyritic Basalt

Porphyritic Basalt with Olivine phenocrysts

Rough Diamond (Carbon (C)) — mineral

Rough Diamond

Carbon (C)

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

Garnet

Almandine (Fe3Al2(SiO4)3)

Garnet (Garnet group [X3Y2(SiO4)3]) — mineral

Garnet

Garnet group [X3Y2(SiO4)3]

Beryl (var. Heliodor or Aquamarine) (Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)) — mineral

Beryl (var. Heliodor or Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Peridot (likely, based on color and appearance) (Olivine group mineral, specifically (Mg,Fe)2SiO4 (Forsterite-Fayalite solid solution series)) — Mineral

Peridot (likely, based on color and appearance)

Olivine group mineral, specifically (Mg,Fe)2SiO4 (Forsterite-Fayalite solid solution series)

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

Amethyst

Silicon dioxide with iron impurities (SiO2)

Moonstone (Adularia (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Smoky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Red Jasper (Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)

Jasper (Iron-rich Chert) (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper (Iron-rich Chert)

Silicon Dioxide (SiO2) with iron oxide impurities

Jasper (specifically Red Jasper/Chert) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (specifically Red Jasper/Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Amethyst

SiO2 (Silicon Dioxide with iron impurities)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst Quartz (Silicon Dioxide (SiO2)) — mineral

Amethyst Quartz

Silicon Dioxide (SiO2)

Aquamarine (Beryl) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Aquamarine (Beryl)

Beryllium aluminum silicate (Be3Al2Si6O18)

Industrial Diamond (Bort or Boart) (Diamond (pure Carbon, C)) — mineral

Industrial Diamond (Bort or Boart)

Diamond (pure Carbon, C)

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Red Jasper (Jasper (Silicon Dioxide with Iron Oxide impurities, SiO2 + Fe2O3)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide impurities, SiO2 + Fe2O3)

Red Jasper (Silicon Dioxide (SiO2) with Iron inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Smoky Quartz (Faceted Beads) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (Faceted Beads)

Silicon Dioxide (SiO2)

Jasper Quarzite (possibly Lake Superior Agate mix) (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — sedimentary

Jasper Quarzite (possibly Lake Superior Agate mix)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Amber (Succinicum (C10H16O)) — mineral

Amber

Succinicum (C10H16O)

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — gemstone

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Amethyst on Agate/Host Rock (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst on Agate/Host Rock

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz (Quartz (SiO2) with natural radiation) — mineral

Smoky Quartz

Quartz (SiO2) with natural radiation

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Red Jasper (Microcrystalline Quartz) (SiO2 (Silicon Dioxide) with Iron Oxide inclusions) — sedimentary

Red Jasper (Microcrystalline Quartz)

SiO2 (Silicon Dioxide) with Iron Oxide inclusions

Rough Diamond (Carbon (C)) — mineral

Rough Diamond

Carbon (C)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

Smoky Quartz (Silicon dioxide with aluminum impurities (SiO2)) — mineral

Smoky Quartz

Silicon dioxide with aluminum impurities (SiO2)