Rock Identifier

Category

Sedimentary (Silicified Fossiliferous Chalcedony)

Browse sedimentary (silicified fossiliferous chalcedony) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Silicified Fossiliferous Chalcedony) in the encyclopedia

Fossiliferous Limestone

Fossiliferous Limestone

Chalcedony

Chrome Chalcedony

Chrome Chalcedony

Blue Chalcedony

Blue Chalcedony

Silcrete

Opalized Wood

Shelly Limestone

Shelly Limestone

Petrified Wood

Conglomerate

Gem Silica

Mookaite

Chrysoprase

Carnelian / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Carnelian / Chalcedony

Silicon Dioxide (SiO2)

Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

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

Chalcedony / Quartz Nodule (Agate Pebble)

Silicon Dioxide (SiO2)

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

Banded Jasper

Silicon Dioxide with Iron Oxide impurities (SiO2)

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

Jasper River Stone

Silicon Dioxide (SiO2) with iron oxide inclusions

Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with Goethite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite inclusions

Yellow Jasper (Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)) — sedimentary

Yellow Jasper

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

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

Jasper

Silicon dioxide (SiO2) with impurities

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

Red Jasper

Jasper (Silicon Dioxide, SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with goethite or limonite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or limonite inclusions

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

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

Red Jasper

Silicon Dioxide (SiO2) containing Iron Oxide impurities

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Agate in Matrix (Silicon Dioxide (SiO2) within host rock) — mineral

Agate in Matrix

Silicon Dioxide (SiO2) within host rock

Blue Chalcedony (Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Chalcedony (Agate)

Cryptocrystalline Quartz (SiO2)

Agate (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Agate

Cryptocrystalline Silicon Dioxide (SiO2)

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Yellow Chalcedony (SiO2 (Silicon Dioxide)) — mineral

Yellow Chalcedony

SiO2 (Silicon Dioxide)

Jasper (Chert / Chalcedony) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Jasper (Chert / Chalcedony)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Agate Nodule (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate Nodule

Silicon Dioxide (Chalcedony), SiO2

Carnelian / Agate (Silicon Dioxide (SiO2) - Chalcedony) — mineral

Carnelian / Agate

Silicon Dioxide (SiO2) - Chalcedony

Green Chalcedony Ring (Silicon Dioxide (SiO2)) — gemstone

Green Chalcedony Ring

Silicon Dioxide (SiO2)

Weathered quartz-rich stone, possibly chalcedony or calcite (Likely microcrystalline quartz (SiO₂) or calcite (CaCO₃); exact identification requires testing) — mineral

Weathered quartz-rich stone, possibly chalcedony or calcite

Likely microcrystalline quartz (SiO₂) or calcite (CaCO₃); exact identification requires testing

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Chalcedony (Agate/Seashell replacement) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony (Agate/Seashell replacement)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Smoky Quartz / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz / Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (Botryoidal) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Jasper with Hematite Inclusions (Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)) — sedimentary

Jasper with Hematite Inclusions

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)

Red Jasper (Polished) (Jasper (Iron-rich Microcrystalline Quartz, SiO2)) — sedimentary

Red Jasper (Polished)

Jasper (Iron-rich Microcrystalline Quartz, SiO2)

Bloodstone (Heliotrope) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Bloodstone (Heliotrope)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Ocean Jasper (Silicon dioxide with impurities (SiO2 + impurities)) — sedimentary

Ocean Jasper

Silicon dioxide with impurities (SiO2 + impurities)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Agate

Silicon dioxide (Chalcedony), SiO2

Jasper (Brown Jasper) (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Jasper (Brown Jasper)

Microcrystalline Quartz (Chalcedony), SiO2

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Bloodstone (Heliotrope) (SiO2 (Cryptocrystalline Quartz / Chalcedony)) — mineral

Bloodstone (Heliotrope)

SiO2 (Cryptocrystalline Quartz / Chalcedony)

Yellow Jasper (Chalcedony (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Chalcedony (SiO2) with iron inclusions

Agate (Carnelian-like) (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Agate (Carnelian-like)

Chalcedony (Silicon Dioxide, SiO2)