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

Chalcedony (specifically Agate or Carnelian) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (specifically Agate or Carnelian)

Silicon Dioxide (SiO2)

Flint (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Flint

Sedimentary cryptocrystalline quartz (SiO2)

Tumbled carnelian/chalcedony (Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides) — mineral

Tumbled carnelian/chalcedony

Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides

Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Flint

Microcrystalline Quartz (SiO2)

Chert (Agatized/Chalcedony variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Agatized/Chalcedony variety)

Microcrystalline Quartz (SiO2)

Beach Pebbles and Quartz Aggregates (Quartz / Calcite Beach Pebbles (SiO2 / CaCO3)) — sedimentary

Beach Pebbles and Quartz Aggregates

Quartz / Calcite Beach Pebbles (SiO2 / CaCO3)

Fossilized Syringopora (Piping Organ Coral) (Syringopora (Extinct Genus of Tabulate Coral)) — sedimentary

Fossilized Syringopora (Piping Organ Coral)

Syringopora (Extinct Genus of Tabulate Coral)

Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

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

Chert (Flint)

Microcrystalline quartz (SiO2)

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

Chert / Flint

Silicon Dioxide (SiO2)

Brecciated Jasper (Polished) (Silicon Dioxide (SiO2) with Iron Oxide Impurities) — sedimentary

Brecciated Jasper (Polished)

Silicon Dioxide (SiO2) with Iron Oxide Impurities

Beach Pebbles and Jasper (Quartz / Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Beach Pebbles and Jasper

Quartz / Microcrystalline Silicon Dioxide (SiO2)

Agate Geode (Silicon Dioxide (SiO2) - variety Chalcedony/Quartz) — sedimentary

Agate Geode

Silicon Dioxide (SiO2) - variety Chalcedony/Quartz

Dyed Blue Agate (Silicon dioxide (SiO2) with artificial pigment) — mineral

Dyed Blue Agate

Silicon dioxide (SiO2) with artificial pigment

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Tumbled pink chalcedony (likely pink agate/jasper) (Microcrystalline quartz, SiO₂, with iron-oxide coloring) — mineral

Tumbled pink chalcedony (likely pink agate/jasper)

Microcrystalline quartz, SiO₂, with iron-oxide coloring

Druzy Quartz Geode (with Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz Geode (with Chalcedony)

Silicon Dioxide (SiO2)

Carnelian (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Quartz / Chalcedony Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz / Chalcedony Geode Fragment

Silicon Dioxide (SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

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

Botryoidal Chalcedony (Agate)

Silicon Dioxide (SiO2)

Jasper (Green Jasper / Chert) (Silicon Dioxide (SiO2 with inclusions)) — mineral

Jasper (Green Jasper / Chert)

Silicon Dioxide (SiO2 with inclusions)

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

Agate (Chalcedony)

Silicon Dioxide (SiO2)

Flint (or Chert) (Silicon dioxide (Microcrystalline Quartz, $SiO_2$)) — sedimentary

Flint (or Chert)

Silicon dioxide (Microcrystalline Quartz, $SiO_2$)

Polished red jasper beads (Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper beads

Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides

Quartz Geode (Silicon Dioxide (SiO2) in a Secondary Sedimentary/Volcanic cavity) — mineral

Quartz Geode

Silicon Dioxide (SiO2) in a Secondary Sedimentary/Volcanic cavity

Banded Agate (with Quartz Geode Center) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (with Quartz Geode Center)

Silicon Dioxide (SiO2)

Polished Tumbled Stone (Dark Chalcedony / Jasper) (Silicon Dioxide (SiO2)) — mineral

Polished Tumbled Stone (Dark Chalcedony / Jasper)

Silicon Dioxide (SiO2)

Riverstone Jasper (Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Riverstone Jasper (Chalcedony)

Silicon Dioxide (SiO2)

Chert (Gray Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Gray Chalcedony)

Microcrystalline Quartz (SiO2)

Botryoidal Agate (Silicon Dioxide (SiO2)) — mineral

Botryoidal Agate

Silicon Dioxide (SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities

Carnelian (Carnelian Chalcedony (SiO2 with Hematite impurities)) — mineral

Carnelian

Carnelian Chalcedony (SiO2 with Hematite impurities)

Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Carnelian (Banded Agate) (Chalcedony (SiO2) with Iron Oxide inclusions) — mineral

Carnelian (Banded Agate)

Chalcedony (SiO2) with Iron Oxide inclusions

White Agate / Chalcedony (Silicon Dioxide (SiO2)) — gemstone

White Agate / Chalcedony

Silicon Dioxide (SiO2)

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

Agate (or Chalcedony pebble)

Silicon Dioxide (SiO2)

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

Chalcedony Agate Nodule

Silicon Dioxide (SiO2)

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

Chalcedony (Chert/Flint)

Silicon Dioxide (SiO2)

Chert (Chalcedony/Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Agate)

Microcrystalline Quartz (SiO2)