Rock Identifier

Category

Mineral (Chalcedony)

Browse mineral (chalcedony) specimens identified by the Rock Identifier community.

Learn about Mineral (Chalcedony) in the encyclopedia

Chalcedony

Blue Chalcedony

Blue Chalcedony

Chrome Chalcedony

Chrome Chalcedony

Gem Silica

Plume Agate

Landscape Agate

Landscape Agate

Chrysoprase

Sard

Prase

Glauconite

Sagenite Agate

Grape Agate

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

Agate (Chalcedony)

Cryptocrystalline Silica or Silicon Dioxide (SiO2)

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

Agate (Chalcedony)

Cryptocrystalline Quartz (SiO2)

Ocean Jasper (Orbicular Jasper) (Spherulitic Chalcedony (SiO2)) — sedimentary

Ocean Jasper (Orbicular Jasper)

Spherulitic Chalcedony (SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — sedimentary

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Agate (Polished Slice) (Banded Chalcedony (SiO2)) — mineral

Agate (Polished Slice)

Banded Chalcedony (SiO2)

Polished agate/geode slab (Banded chalcedony (microcrystalline quartz, SiO₂), likely with quartz crystals) — mineral

Polished agate/geode slab

Banded chalcedony (microcrystalline quartz, SiO₂), likely with quartz crystals

Green Moss Agate (Agate (Silicon Dioxide, SiO2) with inclusions) — mineral

Green Moss Agate

Agate (Silicon Dioxide, SiO2) with inclusions

Polished yellow-orange chalcedony (likely carnelian) (Microcrystalline quartz, SiO₂; iron-bearing variety commonly called carnelian) — mineral

Polished yellow-orange chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; iron-bearing variety commonly called carnelian

Dyed Agate (SiO2 (Chalcedony/Agate)) — mineral

Dyed Agate

SiO2 (Chalcedony/Agate)

Agate (Banded Chalcedony (SiO2)) — mineral

Agate

Banded Chalcedony (SiO2)

Carnelian (Red Chalcedony (SiO2)) — mineral

Carnelian

Red Chalcedony (SiO2)

Banded Agate (Polished Slice) (Chalcedony (SiO2) with Quartz) — mineral

Banded Agate (Polished Slice)

Chalcedony (SiO2) with Quartz

Banded Agate (Chalcedony (SiO2) with impurities) — mineral

Banded Agate

Chalcedony (SiO2) with impurities

Agate (Agatized Chalcedony (SiO2)) — mineral

Agate

Agatized Chalcedony (SiO2)

Blue Lace Agate (Banded Chalcedony (SiO2)) — mineral

Blue Lace Agate

Banded Chalcedony (SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Crazy Lace Agate (Agate (Chalcedony), SiO2) — Mineral

Crazy Lace Agate

Agate (Chalcedony), SiO2

Crazy Lace Agate (Agate (Chalcedony - SiO2)) — Mineral

Crazy Lace Agate

Agate (Chalcedony - SiO2)

Carnelian (Carnelian Chalcedony (SiO2)) — mineral

Carnelian

Carnelian Chalcedony (SiO2)

Eye Agate (Sulemani Agate) (Banded Chalcedony (SiO2)) — mineral

Eye Agate (Sulemani Agate)

Banded Chalcedony (SiO2)

Agate (Banded Chalcedony (SiO2)) — mineral

Agate

Banded Chalcedony (SiO2)

Lake Superior Agate (Banded Chalcedony (SiO2)) — mineral

Lake Superior Agate

Banded Chalcedony (SiO2)

Banded Carnelian Agate (Var. of Chalcedony (SiO2)) — mineral

Banded Carnelian Agate

Var. of Chalcedony (SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Banded Agate (Chalcedony (SiO2) with impurities) — mineral

Banded Agate

Chalcedony (SiO2) with impurities

Crazy Lace Agate (Agate (Chalcedony), SiO2) — Mineral

Crazy Lace Agate

Agate (Chalcedony), SiO2

Black Onyx (Silicon Dioxide (SiO2) with cryptocrystalline structure) — mineral

Black Onyx

Silicon Dioxide (SiO2) with cryptocrystalline structure

Jasper (SiO2 (Silicon Dioxide)) — mineral

Jasper

SiO2 (Silicon Dioxide)

Yellow jasper (likely iron-stained chalcedony) (Jasper, an opaque microcrystalline variety of quartz (SiO₂); likely iron-oxide colored) — mineral

Yellow jasper (likely iron-stained chalcedony)

Jasper, an opaque microcrystalline variety of quartz (SiO₂); likely iron-oxide colored

Moss Agate (Silicon Dioxide with inclusions (SiO2)) — mineral

Moss Agate

Silicon Dioxide with inclusions (SiO2)

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

Chalcedony (Agate) Pebble

Silicon Dioxide (SiO2)

Dendritic Agate (Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions) — sedimentary

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions

Tumbled jasper pebble (Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides

Tumbled blue-green stone, likely dyed agate (Agate (microcrystalline quartz, SiO₂); blue coloration may be artificial) — mineral

Tumbled blue-green stone, likely dyed agate

Agate (microcrystalline quartz, SiO₂); blue coloration may be artificial

Red jasper (likely tumbled or polished) (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides) — mineral

Red jasper (likely tumbled or polished)

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Yellow Chalcedony (Carnelian/Yellow Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Polished brown agate (likely carnelian/chalcedony) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration) — gemstone

Polished brown agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Agate (Chalcedony (SiO2) with impurities) — sedimentary

Agate

Chalcedony (SiO2) with impurities

Chalcedony Rose (Silicon Dioxide (SiO2)) — mineral

Chalcedony Rose

Silicon Dioxide (SiO2)

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

Botryoidal Chalcedony (Agate)

Silicon Dioxide (SiO2)