Rock Identifier

Category

Mineral (Variety Of Chalcedony)

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

Learn about Mineral (Variety Of Chalcedony) in the encyclopedia

Blue Chalcedony

Blue Chalcedony

Brookite

Agate

Prase

Chrysoprase

Sard

Blue Lace Agate

Blue Lace Agate

Carnelian

Blue Jasper

Jasper

Plume Agate

Sagenite Agate

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Blue Chalcedony (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Blue Chalcedony

Chalcedony (Silicon Dioxide, SiO2)

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

Agate (Chalcedony)

Cryptocrystalline Silica or Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Carnelian (Chalcedony) (Silicon Dioxide (SiO2) with trace Iron Oxide) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2) with trace Iron Oxide

Yellow Agate (Agate (Varietal form of Chalcedony/Quartz, SiO2)) — mineral

Yellow Agate

Agate (Varietal form of Chalcedony/Quartz, SiO2)

Petrified Wood (Silicified Wood (Silicon Dioxide - SiO2)) — fossil

Petrified Wood

Silicified Wood (Silicon Dioxide - SiO2)

Ocean Jasper (SiO2) — mineral

Ocean Jasper

SiO2

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Chalcedony Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Chalcedony Geode Fragment

Silicon Dioxide (SiO2)

Blue Tiger's Eye (Riebeckite (crocidolite variety)) — Mineral

Blue Tiger's Eye

Riebeckite (crocidolite variety)

Chert (specifically Flint or Chalcedony nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Chalcedony nodule)

Microcrystalline Quartz (SiO2)

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

Agate

Silicon Dioxide (Chalcedony), SiO2

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

Agate

Silicon dioxide (Chalcedony), SiO2

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

Agate

Silicon Dioxide (Chalcedony), SiO2

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Dalmatian Jasper (Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)) — igneous

Dalmatian Jasper

Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)

Chert (and Petrified Wood) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Petrified Wood)

Silicon Dioxide (SiO2)

Green Apatite on Albite (Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]) — mineral

Green Apatite on Albite

Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Dyed Chalcedony (Agate) (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Moss Agate (SiO2 with impurities (Chalcedony)) — Mineral/Gemstone

Moss Agate

SiO2 with impurities (Chalcedony)

Mineral/Gemstone

Fossilized Coral (Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)) — sedimentary

Fossilized Coral

Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Brecciated Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Brecciated Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Chert (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Chert

Sedimentary cryptocrystalline quartz (SiO2)

Chalcedony with inclusions (Agate/Quartz) (Silicon Dioxide (SiO2)) — mineral

Chalcedony with inclusions (Agate/Quartz)

Silicon Dioxide (SiO2)

Green Moss Agate (Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)) — mineral

Green Moss Agate

Agate (Silicon Dioxide - SiO2 with inclusions of Manganese/Iron oxides)

Tumbled black-and-white banded stone, likely onyx or agate (Cryptocrystalline quartz (SiO₂), probably banded chalcedony/onyx) — mineral

Tumbled black-and-white banded stone, likely onyx or agate

Cryptocrystalline quartz (SiO₂), probably banded chalcedony/onyx

Banded Agate (Dyed / Polished) (Microcrystalline Quartz (SiO2)) — mineral

Banded Agate (Dyed / Polished)

Microcrystalline Quartz (SiO2)

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

Carnelian Agate

SiO2 (Silicon Dioxide with Iron Oxide impurities)

Flower Agate (Silicon Dioxide (SiO2) with Plume Inclusions) — mineral

Flower Agate

Silicon Dioxide (SiO2) with Plume Inclusions

Dyed Agate (SiO2 (Silicon Dioxide)) — Mineral

Dyed Agate

SiO2 (Silicon Dioxide)

Dyed Blue Agate (Dragon Vein Agate) (Silicon Dioxide (SiO2) with artificial cobalt/organic dyes) — mineral

Dyed Blue Agate (Dragon Vein Agate)

Silicon Dioxide (SiO2) with artificial cobalt/organic dyes

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Agate (SiO2) — mineral

Agate

SiO2

Agatized Dinosaur Bone (Permineralized Dinosaur Bone (Silicified/Agatized Bone)) — fossil

Agatized Dinosaur Bone

Permineralized Dinosaur Bone (Silicified/Agatized Bone)

Polished carnelian-rich agate (likely polyhedral jasper/chalcedony) (Microcrystalline quartz, SiO₂, with iron-oxide inclusions) — mineral

Polished carnelian-rich agate (likely polyhedral jasper/chalcedony)

Microcrystalline quartz, SiO₂, with iron-oxide inclusions

Chalcedony / Quartz Nodule (Agate Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Quartz Nodule (Agate Pebble)

Silicon Dioxide (SiO2)

Yellow Chalcedony (likely Carnelian or Agate) (Silicon dioxide (SiO2)) — mineral

Yellow Chalcedony (likely Carnelian or Agate)

Silicon dioxide (SiO2)