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

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

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

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

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

Chalcedony with Matrix (Silicon Dioxide (SiO2)) — mineral

Chalcedony with Matrix

Silicon Dioxide (SiO2)

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

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Flint or chert nodule (Microcrystalline quartz (chalcedony), SiO₂) — sedimentary

Flint or chert nodule

Microcrystalline quartz (chalcedony), SiO₂

Carnelian (Carnelian (Chert/Chalcedony variety of Quartz, SiO2)) — mineral

Carnelian

Carnelian (Chert/Chalcedony variety of Quartz, SiO2)

Carnelian (Tumbled Pebble) (Quartz (Variety: Carnelian, SiO2)) — gemstone

Carnelian (Tumbled Pebble)

Quartz (Variety: Carnelian, SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Flint

SiO2 (Microcrystalline quartz / Chert)

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

Agate (Carnelian / Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chalcedony (Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Quartz variety)

Silicon Dioxide (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Banded Calcite (Mexican Onyx) (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite (Mexican Onyx)

Calcium Carbonate (CaCO3)

Quartz-rich metamorphic rock, likely quartzite (Quartzite; predominantly microcrystalline to granular SiO₂, possibly with mica and feldspar) — metamorphic

Quartz-rich metamorphic rock, likely quartzite

Quartzite; predominantly microcrystalline to granular SiO₂, possibly with mica and feldspar

Fossilized Bryozoan (Bryozoa) — fossil

Fossilized Bryozoan

Bryozoa

Honeycomb Coral Fossil (Favosites (extinct genus of tabulate coral)) — fossil

Honeycomb Coral Fossil

Favosites (extinct genus of tabulate coral)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Brown Agate (Silicon Dioxide (SiO2)) — mineral

Brown Agate

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Brecciated Jasper

Silicon Dioxide (SiO2) with iron impurities

Dalmation Jasper (Dalmation Stone (perthitic feldspar with arfvedsonite)) — igneous

Dalmation Jasper

Dalmation Stone (perthitic feldspar with arfvedsonite)

Jasper pebble (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper pebble

Silicon Dioxide (SiO2) with iron oxide impurities

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

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or iron oxide inclusions

Jasper / Quartz Pebble (Silicon Dioxide (SiO2) with microcrystalline impurities) — sedimentary

Jasper / Quartz Pebble

Silicon Dioxide (SiO2) with microcrystalline impurities

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

Chert Pebble (Jasper variety)

Silicon Dioxide (SiO2)

Red Jasper (Microcrystalline Quartz (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Microcrystalline Quartz (SiO2) with Hematite inclusions

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

Jasper

Silicon Dioxide (SiO2) with impurities

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Red Jasper (possibly banded Jaspilite) (Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)) — sedimentary

Red Jasper (possibly banded Jaspilite)

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Jasper containing Agate (Jaspagate) (Silicon Dioxide (SiO2)) — sedimentary

Jasper containing Agate (Jaspagate)

Silicon Dioxide (SiO2)

Yellow Jasper (Cryptocrystalline Quartz (SiO2 with Iron Hydroxide inclusions)) — sedimentary

Yellow Jasper

Cryptocrystalline Quartz (SiO2 with Iron Hydroxide inclusions)

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

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)) — sedimentary

Jasper

Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)

Red Jasper (Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)) — sedimentary

Red Jasper

Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)