Rock Identifier

Category

Organic (Sedimentary Associated)

Browse organic (sedimentary associated) specimens identified by the Rock Identifier community.

Learn about Organic (Sedimentary Associated) in the encyclopedia

Sapropel

Bituminous Shale

Bituminous Shale

Black Shale

Oil Shale

Shungite (Non-crystalline carbon (allotrope of carbon)) — metamorphic

Shungite

Non-crystalline carbon (allotrope of carbon)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Fossilized Bone (Petrified Bone / Biogenic Sedimentary) — fossil

Fossilized Bone

Petrified Bone / Biogenic Sedimentary

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

Agate

Silicon dioxide (Chalcedony), SiO2

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Banded Chert (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert

Silicon Dioxide (SiO2)

Fossiliferous Jasper / Miriam Stone / Elephant Skin Jasper (Biogenic Chalcedony / Silicified Fossiliferous Limestone) — fossil

Fossiliferous Jasper / Miriam Stone / Elephant Skin Jasper

Biogenic Chalcedony / Silicified Fossiliferous Limestone

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Brecciated Jasper (Silicon Dioxide (SiO2) with mineral impurities) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with mineral impurities

Jasper and Chalcedony Nodule (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper and Chalcedony Nodule

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chalcedony (Agate / Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Quartz Pebble)

Silicon Dioxide (SiO2)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Imperial Topaz (Al2SiO4(F,OH)2) — mineral

Imperial Topaz

Al2SiO4(F,OH)2

Black Opal (Kalimaya) (Hydrated Silica (SiO2·nH2O)) — mineraloid

Black Opal (Kalimaya)

Hydrated Silica (SiO2·nH2O)

Red Jasper (or Ironstone/Jasper Conglomerate) (Microcrystalline Quartz with Hematite inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper (or Ironstone/Jasper Conglomerate)

Microcrystalline Quartz with Hematite inclusions (SiO2 + Fe2O3)

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

Chert (Jasper) Pebble

Microcrystalline Quartz (SiO2)

Banded Calcite (often sold as 'Mexican Onyx') (Calcite (Calcium Carbonate, CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx')

Calcite (Calcium Carbonate, CaCO3)

Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)

Jasper with Agate Inclusions (Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate) — sedimentary

Jasper with Agate Inclusions

Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Orbicular Jasper (Silicon Dioxide (SiO2)) — sedimentary

Orbicular Jasper

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Sulfur (Native Sulfur (S8)) — mineral

Sulfur

Native Sulfur (S8)

Granite Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Granite Gneiss

Gneiss (High-grade Metamorphic Rock)

Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon Dioxide (SiO2) with impurities

Petrified Wood (Silicified wood (primarily quartz, SiO2)) — fossil

Petrified Wood

Silicified wood (primarily quartz, SiO2)

Fish Fossil in Limestone (Lycoptera (likely) in Micritic Limestone) — sedimentary

Fish Fossil in Limestone

Lycoptera (likely) in Micritic Limestone

Shale (Clastic sedimentary rock (primarily clay and silt minerals)) — sedimentary

Shale

Clastic sedimentary rock (primarily clay and silt minerals)

Ironstone / Weathered Hematite (Iron oxide-rich sedimentary rock with Goethite/Hematite) — sedimentary

Ironstone / Weathered Hematite

Iron oxide-rich sedimentary rock with Goethite/Hematite

Ferruginous Sandstone with Concretion (Sandstone (SiO2 dominated with Fe2O3 cement)) — sedimentary

Ferruginous Sandstone with Concretion

Sandstone (SiO2 dominated with Fe2O3 cement)

Yellow Jasper (Silicon Dioxide (SiO2) with impurities, microcrystalline quartz) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with impurities, microcrystalline quartz

Chalcopyrite (Copper iron sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper iron sulfide (CuFeS2)

Banded Agate (Banded Chert / Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Banded Agate (Banded Chert / Jasper)

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Red Zebra Jasper (Microcrystalline quartz (Chalcedony), SiO2) — sedimentary

Red Zebra Jasper

Microcrystalline quartz (Chalcedony), SiO2

Red Jasper (Silicon Dioxide (SiO2), microcrystalline quartz variety) — sedimentary

Red Jasper

Silicon Dioxide (SiO2), microcrystalline quartz variety

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Green Jasper (Microcrystalline Quartz (SiO2) with impurities) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2) with impurities

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)