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 (Flint/Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint/Chalcedony)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (specifically Yellow/Tan Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Yellow/Tan Chert)

Silicon Dioxide (SiO2)

Chert (Nodule) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

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

Chert (Black Flint)

Silicon Dioxide (SiO2)

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

Chert (White Chert/Flint)

Silicon Dioxide (SiO2)

Ceramic or Polished Stone Heart (Anthropogenic Material) (Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)) — Synthetic/Anthropogenic Mineraloid

Ceramic or Polished Stone Heart (Anthropogenic Material)

Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)

Synthetic/Anthropogenic Mineraloid

Chert / Flint (Chert (SiO2)) — sedimentary

Chert / Flint

Chert (SiO2)

Chert / Flint Nodules (Chert (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Chert / Flint Nodules

Chert (Cryptocrystalline variety of Quartz, SiO2)

Chert with Iron Staining (Microcrystalline Quartz (SiO2)) — sedimentary

Chert with Iron Staining

Microcrystalline Quartz (SiO2)

Chert (including Flint and Jasper variants) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (including Flint and Jasper variants)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Micro-crystalline Quartz Pebble (Chert) (Silicon dioxide (SiO2)) — sedimentary

Micro-crystalline Quartz Pebble (Chert)

Silicon dioxide (SiO2)

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

Chert (often called Flint)

Microcrystalline Quartz (SiO2)

Peridot (likely, given the color and bead form) (Olivine, variety Peridot (Mg,Fe)2SiO4) — Mineral

Peridot (likely, given the color and bead form)

Olivine, variety Peridot (Mg,Fe)2SiO4

Chert (Nodule) (Microcrystalline or Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline or Cryptocrystalline Silica (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (often called Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Green Jasperiod) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Green Jasperiod)

Chert (Microcrystalline Quartz, SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (often called Flint)

Microcrystalline Quartz (SiO2)

Chert (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert

Microcrystalline Silicon Dioxide (SiO2)

Chert (and its variety Flint) (Silicon dioxide (SiO2) / Microcrystalline quartz) — sedimentary

Chert (and its variety Flint)

Silicon dioxide (SiO2) / Microcrystalline quartz

Chert (often called Flint when dark) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint when dark)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (v. Flint) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (v. Flint)

Sedimentary Cryptocrystalline Quartz (SiO2)

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

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

Chert (and Flint variant)

Microcrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Chert (often called Flint) (Chert (Microcrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Chert (specifically White Chert or Flint) (Microcrystalline or cryptocrystalline quartz (SiO2)) — sedimentary

Chert (specifically White Chert or Flint)

Microcrystalline or cryptocrystalline quartz (SiO2)

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

Chert (Flint)

Chert (Cryptocrystalline Silicon Dioxide, SiO2)

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

Chert (often called Flint)

Microcrystalline Quartz (SiO2)

Chert (Green River Chert) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Green River Chert)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Yellow or Brown Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow or Brown Jasper)

Microcrystalline Quartz (SiO2)

Chert (specifically Gray/Black Chert) (Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (specifically Gray/Black Chert)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

Diamond (Diamond (C)) — Mineral

Diamond

Diamond (C)

Travertine (Tufa) (Chemical Limestone (CaCO3)) — sedimentary

Travertine (Tufa)

Chemical Limestone (CaCO3)

Amber Chert (Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Amber Chert (Jasper)

Microcrystalline Quartz (SiO2)