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

Red Jasper (Silicon Dioxide (SiO2) - variety of Chalcedony) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) - variety of Chalcedony

Carnelian (Carnelian (variety of Chalcedony, SiO2)) — mineral

Carnelian

Carnelian (variety of Chalcedony, SiO2)

Agate (Silicon Dioxide / Cryptocrystalline Quartz (SiO2)) — mineral

Agate

Silicon Dioxide / Cryptocrystalline Quartz (SiO2)

Agate (specifically a Blue Agate Geode Slice) (Chalcedony (cryptocrystalline variety of Quartz); SiO2) — mineral

Agate (specifically a Blue Agate Geode Slice)

Chalcedony (cryptocrystalline variety of Quartz); SiO2

Geode (Unopened) (Vug or Geode (primarily Silicon Dioxide, SiO2)) — sedimentary

Geode (Unopened)

Vug or Geode (primarily Silicon Dioxide, SiO2)

Milky Quartz Geode / Chalcedony Nodule (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz Geode / Chalcedony Nodule

Quartz (Silicon Dioxide - SiO2)

Banded Calcite (Honey Calcite / Onyx Marble) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Banded Calcite (Honey Calcite / Onyx Marble)

Calcite (Calcium Carbonate, CaCO3)

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

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

Carnelian Agate Nodule (Chalcedony (SiO2) with Iron Oxide inclusions) — sedimentary

Carnelian Agate Nodule

Chalcedony (SiO2) with Iron Oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) - variety of Chalcedony) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) - variety of Chalcedony

Jasper (or possibly Agate/Chalcedony) beads (SiO2 (Silicon Dioxide)) — mineral

Jasper (or possibly Agate/Chalcedony) beads

SiO2 (Silicon Dioxide)

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

Flint / Chert

Silicon dioxide (SiO2)

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

Chalcedony (Carnelian/Agate)

Silicon Dioxide (SiO2)

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

Agate (Chalcedony Nodule)

Silicon Dioxide (SiO2)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

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

Agate Geode

Silicon Dioxide (Chalcedony/Quartz), SiO2

Chalcedony in Matrix (likely Agatized Coral or Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony in Matrix (likely Agatized Coral or Chert)

Silicon Dioxide (SiO2)

Carnelian (orange chalcedony) (Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety) — gemstone

Carnelian (orange chalcedony)

Chalcedony, microcrystalline quartz (SiO₂), iron-colored variety

Chalcedony (Yellow/Amber variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Yellow/Amber variety)

Silicon Dioxide (SiO2)

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

Chalcedony (Yellow Agate)

Cryptocrystalline Quartz (SiO2)

Agate pebble (with blue chalcedony exposure) (Silicon Dioxide (SiO2)) — mineral

Agate pebble (with blue chalcedony exposure)

Silicon Dioxide (SiO2)

Agate Geode (Chalcedony (SiO2 - Silicon Dioxide)) — sedimentary (secondary mineral formation)

Agate Geode

Chalcedony (SiO2 - Silicon Dioxide)

sedimentary (secondary mineral formation)

Dalmation Stone (Dalmation Jasper) (Peralkaline Rock with Feldspar and Arfvedsonite) — igneous

Dalmation Stone (Dalmation Jasper)

Peralkaline Rock with Feldspar and Arfvedsonite

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Green Banded Agate (Cryptocrystalline microcrystalline Quartz (SiO2)) — sedimentary

Green Banded Agate

Cryptocrystalline microcrystalline Quartz (SiO2)

Blue Agate (Dyed Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper Beads (Polished) (Silicon Dioxide (SiO2)) — sedimentary

Jasper Beads (Polished)

Silicon Dioxide (SiO2)

Brown Jasper (Silicon Dioxide (SiO2)) — sedimentary

Brown Jasper

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide with iron inclusions (SiO2)

Jasper and Quartz Pebble (Silicon Dioxide (SiO2) microcrystalline quartz variety) — sedimentary

Jasper and Quartz Pebble

Silicon Dioxide (SiO2) microcrystalline quartz variety

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Yellow Agate (Chalcedony (cryptocrystalline Quartz), SiO2) — mineral

Yellow Agate

Chalcedony (cryptocrystalline Quartz), SiO2

Carnelian and Dyed Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Carnelian and Dyed Agate

Chalcedony (Silicon Dioxide, SiO2)

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

Carnelian Agate

Carnelian (Silicon Dioxide - SiO2)

Jasper with Quartz Vein (Microcrystalline quartz (SiO2) and chalcedony with a quartz vein) — sedimentary

Jasper with Quartz Vein

Microcrystalline quartz (SiO2) and chalcedony with a quartz vein

Carnelian (Carnelian (Silica, SiO2)) — mineral

Carnelian

Carnelian (Silica, SiO2)

Orange Quartz (or Tumbled Carnelian) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz (or Tumbled Carnelian)

Silicon Dioxide (SiO2) with iron oxide inclusions

Agate (Beach Pebble) (Silicon Dioxide (SiO2) - Banded Chalcedony) — sedimentary

Agate (Beach Pebble)

Silicon Dioxide (SiO2) - Banded Chalcedony

Chalcedony (including Carnelian and Agate variants) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (including Carnelian and Agate variants)

Silicon Dioxide (SiO2)

Banded Chalcedony (Agate) (Chalcedony (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Chalcedony (Agate)

Chalcedony (SiO2) - Cryptocrystalline Quartz

Polished banded jasper pebble (Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral impurities) — mineral

Polished banded jasper pebble

Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral impurities