Rock Identifier

Category

Mineral (Chalcedony)

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

Learn about Mineral (Chalcedony) in the encyclopedia

Chalcedony

Chrome Chalcedony

Chrome Chalcedony

Blue Chalcedony

Blue Chalcedony

Gem Silica

Plume Agate

Landscape Agate

Landscape Agate

Chrysoprase

Sard

Prase

Glauconite

Sagenite Agate

Grape Agate

Bloodstone (Chalcedony (cryptocrystalline quartz)) — Mineral/Semiprecious Stone

Bloodstone

Chalcedony (cryptocrystalline quartz)

Mineral/Semiprecious Stone

Dendritic Agate or Merlinite (Polished Cabochon) (Silicon dioxide with manganese or iron oxide inclusions (SiO2)) — mineral

Dendritic Agate or Merlinite (Polished Cabochon)

Silicon dioxide with manganese or iron oxide inclusions (SiO2)

Carnelian (Agate) (SiO2 (Silicon Dioxide with Iron Oxide inclusions)) — mineral

Carnelian (Agate)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Moss Agate with Quartz Druzy (Chalcedony with inclusions (SiO2)) — mineral

Moss Agate with Quartz Druzy

Chalcedony with inclusions (SiO2)

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

Moss Agate

Silicon Dioxide with inclusions (SiO2)

Tree Agate (Dendritic Chalcedony (SiO2)) — sedimentary

Tree Agate

Dendritic Chalcedony (SiO2)

Botryoidal chalcedony (agate/quartz geode fragment) (Microcrystalline quartz, SiO₂, likely chalcedony with drusy quartz and iron-oxide staining) — mineral

Botryoidal chalcedony (agate/quartz geode fragment)

Microcrystalline quartz, SiO₂, likely chalcedony with drusy quartz and iron-oxide staining

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Tumbled Agate (Silicon Dioxide (SiO2)) — gemstone

Tumbled Agate

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Banded Agate

Agate (Silicon Dioxide, SiO2)

Jasper (Iron-stained Quartzite/Chert) (Silicon Dioxide (SiO2) with iron oxide inclusions) — Sedimentary

Jasper (Iron-stained Quartzite/Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Sardonyx (Cryptocrystalline Quartz (SiO2)) — mineral

Sardonyx

Cryptocrystalline Quartz (SiO2)

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

Chalcedony/Agate

Cryptocrystalline Silica (SiO2)

Chalcedony with jasper (likely brecciated jasper) (Microcrystalline quartz, SiO₂, with iron-oxide-rich jasper fragments) — mineral

Chalcedony with jasper (likely brecciated jasper)

Microcrystalline quartz, SiO₂, with iron-oxide-rich jasper fragments

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

Yellow Chalcedony / Carnelian

Silicon Dioxide (SiO2)

White Chalcedony (Silicon Dioxide (SiO2)) — mineral

White Chalcedony

Silicon Dioxide (SiO2)

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

Agate (Polished Slice)

Banded Chalcedony (SiO2)

Chalcedony (Common Opal variant) (Silicon dioxide (SiO2) with microcrystalline structure) — mineral

Chalcedony (Common Opal variant)

Silicon dioxide (SiO2) with microcrystalline structure

Plume Agate or Moss Agate (Silicon dioxide (SiO2)) — Mineral

Plume Agate or Moss Agate

Silicon dioxide (SiO2)

Agate (Fortification Agate) (Banded Chalcedony (SiO2)) — mineral

Agate (Fortification Agate)

Banded Chalcedony (SiO2)

Yellow Jasper (Silicon dioxide, SiO2) — mineral

Yellow Jasper

Silicon dioxide, SiO2

Agate (or Quartz with Agate banding) (Silicon dioxide (SiO2)) — Mineral

Agate (or Quartz with Agate banding)

Silicon dioxide (SiO2)

Agate (SiO2) — Mineral

Agate

SiO2

Moss Agate (Chalcedony (SiO2 with inclusions)) — mineral

Moss Agate

Chalcedony (SiO2 with inclusions)

Black Onyx (Silicon dioxide (SiO2)) — mineral

Black Onyx

Silicon dioxide (SiO2)

Polished carnelian agate (Microcrystalline quartz (SiO₂), chalcedony with iron-oxide coloration) — mineral

Polished carnelian agate

Microcrystalline quartz (SiO₂), chalcedony with iron-oxide coloration

Chalcedony Geode (Silicon Dioxide (SiO2)) — mineral

Chalcedony Geode

Silicon Dioxide (SiO2)

Chalcedony (Botryoidal) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Agate (Banded Chalcedony (SiO2)) — mineral

Agate

Banded 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)