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

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

Black Jasper

Silicon dioxide (SiO2) with carbonaceous impurities

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

Carnelian

Carnelian (Silicon Dioxide - SiO2)

Yellow Agate (Silicon Dioxide (SiO2)) — gemstone

Yellow Agate

Silicon Dioxide (SiO2)

Jasper / Agate (Silicon dioxide (SiO2)) — sedimentary

Jasper / Agate

Silicon dioxide (SiO2)

Banded Agate (Silk Agate or Maligano Jasper variant) (Silicon Dioxide (SiO2)) — sedimentary

Banded Agate (Silk Agate or Maligano Jasper variant)

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Dendritic Agate (Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

Weathered fossiliferous limestone (Calcite-rich limestone (CaCO₃), possibly containing fossil fragments or stylolites) — fossil

Weathered fossiliferous limestone

Calcite-rich limestone (CaCO₃), possibly containing fossil fragments or stylolites

Fossiliferous Chert Nodule (SiO2 (Microcrystalline Quartz) with fossil inclusions) — fossil

Fossiliferous Chert Nodule

SiO2 (Microcrystalline Quartz) with fossil inclusions

Fossiliferous Limestone (with Rugose Coral) (Limestone with Tetracoralla (Rugosa) fossil) — fossil

Fossiliferous Limestone (with Rugose Coral)

Limestone with Tetracoralla (Rugosa) fossil

Yellow Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Yellow Chalcedony

Cryptocrystalline Quartz (SiO2)

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

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Fossilized Coral / Fossiliferous Limestone (Anthozoa fossil in Limestone (CaCO3)) — fossil

Fossilized Coral / Fossiliferous Limestone

Anthozoa fossil in Limestone (CaCO3)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Chert (Common Opal/Jasper transition) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Jasper transition)

Silicon Dioxide (SiO2)

Chalcedony (Agate/Carnelian variant) (Cryptocrystalline Silica (SiO2)) — mineral

Chalcedony (Agate/Carnelian variant)

Cryptocrystalline Silica (SiO2)

Red Jasper (Jasper (Silicate mineral - SiO2)) — sedimentary

Red Jasper

Jasper (Silicate mineral - SiO2)

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

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (Yellow Jasper variant) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Yellow Jasper variant)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Red Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Fossilized shell fragment (Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment) — fossil

Fossilized shell fragment

Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment

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

Chert / Flint Nodule

Microcrystalline quartz (SiO2)

Agate (Carnelian Agate with Quartz Matrix) (Silicon Dioxide (SiO2)) — mineral

Agate (Carnelian Agate with Quartz Matrix)

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Chert (and Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Chalcedony)

Silicon Dioxide (SiO2)

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

Agate

Silicon Dioxide (Chalcedony), SiO2

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Green Jasper Pebble (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Green Jasper Pebble

Microcrystalline Quartz (Chalcedony), SiO2

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

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

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

Jasper with Chalcedony

Silicon Dioxide (SiO2)

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

Chert (Chalcedony)

Cryptocrystalline Quartz (SiO2)

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

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

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

Chert (Chalcedony)

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Banded Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Jasper (Green) (Silicon dioxide (SiO2)) — Mineral/Sedimentary

Jasper (Green)

Silicon dioxide (SiO2)

Mineral/Sedimentary

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

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Banded Agate (Chert/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Chert/Chalcedony)

Silicon Dioxide (SiO2)

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

Agate (or Chalcedony)

Silicon Dioxide (SiO2)

Blue Chalcedony (Moonstone-like / Agate) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — gemstone

Blue Chalcedony (Moonstone-like / Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz