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

Chert (Jasper/Flint variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Fossilized Pycnodonte Oyster (Pycnodonte (Gryphaeostrea) species; Composition is Calcium Carbonate (Calcite/Aragonite)) — sedimentary

Fossilized Pycnodonte Oyster

Pycnodonte (Gryphaeostrea) species; Composition is Calcium Carbonate (Calcite/Aragonite)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Chert (and Flint) (Silicon Dioxide (Microcrystalline Quartz), SiO2) — sedimentary

Chert (and Flint)

Silicon Dioxide (Microcrystalline Quartz), SiO2

Banded Chert with Quartz Veining (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert with Quartz Veining

Microcrystalline Quartz (SiO2)

Chert (Jasper) (Silicon dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon dioxide (SiO2)

Chert (Jasper/Flint variation) (Chert (SiO2)) — sedimentary

Chert (Jasper/Flint variation)

Chert (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert / Flint (Silicon Dioxide (SiO₂)) — sedimentary

Chert / Flint

Silicon Dioxide (SiO₂)

Amber (Amber (C10H16O)) — mineral

Amber

Amber (C10H16O)

Amber (Succinicum (Succinite); C10H16O) — Mineraloid (Organic)

Amber

Succinicum (Succinite); C10H16O

Mineraloid (Organic)

Amber (Fossilized Tree Resin (Successite)) — fossil

Amber

Fossilized Tree Resin (Successite)

Fossiliferous Limestone (Limestone (CaCO3 - Calcium Carbonate)) — sedimentary

Fossiliferous Limestone

Limestone (CaCO3 - Calcium Carbonate)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Pyrite in Shale (Iron Disulfide (FeS2) in Argillaceous Shale) — sedimentary

Pyrite in Shale

Iron Disulfide (FeS2) in Argillaceous Shale

Green Moss Agate (Agate (Silicon Dioxide - SiO2) with inclusions of hornblende or chlorite) — mineral

Green Moss Agate

Agate (Silicon Dioxide - SiO2) with inclusions of hornblende or chlorite

Pink Opal (Amorphous Hydrous Silica (SiO2·nH2O)) — mineral

Pink Opal

Amorphous Hydrous Silica (SiO2·nH2O)

Amber (Succinite (specifically for Baltic amber; fossilized tree resin)) — Organic (Sedimentary-associated)

Amber

Succinite (specifically for Baltic amber; fossilized tree resin)

Organic (Sedimentary-associated)

Pink Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — mineraloid

Pink Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Moss Agate and Hematite (Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)) — mineral

Moss Agate and Hematite

Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Sandstone (Iron-stained) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Iron-stained)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone

Arenite (composed mainly of SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite Pebble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (SiO2)

Sandstone (Quartz-rich) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Jasper-bearing Quartzite River Cobble (Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining) — metamorphic

Jasper-bearing Quartzite River Cobble

Tectonized Quartzite with Iron-Oxide (Hematite/Limonite) Veining

Red Sandstone (Arenite (SiO2 with Fe2O3)) — sedimentary

Red Sandstone

Arenite (SiO2 with Fe2O3)

Sandstone (Ferruginous) (Sandstone (clastic sedimentary rock, mainly SiO2 with iron oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (clastic sedimentary rock, mainly SiO2 with iron oxide cement)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Vein Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Jasper River Stone (Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)) — sedimentary

Jasper River Stone

Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)

Siltstone (Siltstone (primarily composed of SiO2 with various clay minerals)) — sedimentary

Siltstone

Siltstone (primarily composed of SiO2 with various clay minerals)

Amethyst Geode (Thunderegg) (Silicon Dioxide (SiO2) - Quartz Variety: Amethyst) — mineral

Amethyst Geode (Thunderegg)

Silicon Dioxide (SiO2) - Quartz Variety: Amethyst

Quartz (White Pebble) and Sandstone (Brown/Tan Fragments) (Silicon Dioxide (SiO2) for the white pebble) — mineral and sedimentary

Quartz (White Pebble) and Sandstone (Brown/Tan Fragments)

Silicon Dioxide (SiO2) for the white pebble

mineral and sedimentary

Sandstone (with biological crust) (Arenite (SiO2 based)) — sedimentary

Sandstone (with biological crust)

Arenite (SiO2 based)

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Granitic Gravel (Granite (Quartz, Feldspar, and Mica mixture)) — igneous

Granitic Gravel

Granite (Quartz, Feldspar, and Mica mixture)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)