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

Jasper (SiO2 (Silicon Dioxide)) — mineral

Jasper

SiO2 (Silicon Dioxide)

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

Banded Agate

Chalcedony (SiO2) with impurities

Green agate (polished bead) (Chalcedony, microcrystalline quartz (SiO₂)) — gemstone

Green agate (polished bead)

Chalcedony, microcrystalline quartz (SiO₂)

Dyed agate slice (Microcrystalline quartz (SiO₂), commonly chalcedony; blue color appears artificially dyed) — mineral

Dyed agate slice

Microcrystalline quartz (SiO₂), commonly chalcedony; blue color appears artificially dyed

Polished banded agate (likely petrified wood) (Microcrystalline quartz (SiO₂); possibly silicified wood) — mineral

Polished banded agate (likely petrified wood)

Microcrystalline quartz (SiO₂); possibly silicified wood

Red jasper (likely) (Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides) — mineral

Red jasper (likely)

Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides

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

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Carnelian Agate

Carnelian (Silicon Dioxide: SiO2)

Banded Calcite (CaCO3) — sedimentary

Banded Calcite

CaCO3

Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Agate

Silicon Dioxide (SiO2)

Tumbled agate/chalcedony pebble (Microcrystalline quartz (SiO₂), likely brown/banded agate or jasper) — mineral

Tumbled agate/chalcedony pebble

Microcrystalline quartz (SiO₂), likely brown/banded agate or jasper

Polished brecciated jasper (Jasper, microcrystalline quartz (SiO₂), with iron-oxide and pale silica-rich fragments) — mineral

Polished brecciated jasper

Jasper, microcrystalline quartz (SiO₂), with iron-oxide and pale silica-rich fragments

Blue Chalcedony (Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)) — Mineral

Blue Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)

Red Jasper (Silicon Dioxide (SiO2) with Iron inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper) (Chalcedony (SiO₂)) — Mineral (or mineraloid if microcrystalline)

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)

Chalcedony (SiO₂)

Mineral (or mineraloid if microcrystalline)

Iron-stained jasper pebble (Microcrystalline quartz (SiO₂), colored by iron oxides; likely jasper) — mineral

Iron-stained jasper pebble

Microcrystalline quartz (SiO₂), colored by iron oxides; likely jasper

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Tumbled chalcedony (likely milky agate) (Microcrystalline quartz, SiO₂; chalcedony/agate variety) — mineral

Tumbled chalcedony (likely milky agate)

Microcrystalline quartz, SiO₂; chalcedony/agate variety

Tumbled yellow chalcedony (likely honey agate or yellow quartz) (Microcrystalline quartz, SiO₂; coloration likely from iron oxides or included minerals) — mineral

Tumbled yellow chalcedony (likely honey agate or yellow quartz)

Microcrystalline quartz, SiO₂; coloration likely from iron oxides or included minerals

Tumbled jasper or chalcedony pebble (Microcrystalline quartz, SiO₂ (likely jasper/chalcedony)) — mineral

Tumbled jasper or chalcedony pebble

Microcrystalline quartz, SiO₂ (likely jasper/chalcedony)

Polished yellow chalcedony pendant (possibly yellow agate) (Microcrystalline quartz, SiO₂; chalcedony variety) — gemstone

Polished yellow chalcedony pendant (possibly yellow agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Tumbled agate/chalcedony (Microcrystalline quartz (SiO₂), likely mossy or dendritic agate with iron-oxide inclusions) — mineral

Tumbled agate/chalcedony

Microcrystalline quartz (SiO₂), likely mossy or dendritic agate with iron-oxide inclusions

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Tumbled brown agate (Microcrystalline quartz (chalcedony), SiO₂; likely iron-oxide colored) — mineral

Tumbled brown agate

Microcrystalline quartz (chalcedony), SiO₂; likely iron-oxide colored

Green jasper (possibly dyed or coated) (Microcrystalline quartz, SiO₂; jasper is an opaque variety of chalcedony) — mineral

Green jasper (possibly dyed or coated)

Microcrystalline quartz, SiO₂; jasper is an opaque variety of chalcedony

Carnelian (orange chalcedony) pebble (Chalcedony, microcrystalline quartz (SiO₂), colored by iron oxides) — mineral

Carnelian (orange chalcedony) pebble

Chalcedony, microcrystalline quartz (SiO₂), colored by iron oxides

Honey-brown chalcedony (likely agate) (Microcrystalline quartz, SiO₂; chalcedony, possibly iron-stained agate) — mineral

Honey-brown chalcedony (likely agate)

Microcrystalline quartz, SiO₂; chalcedony, possibly iron-stained agate

Blue agate (likely dyed and polished) (Microcrystalline quartz, SiO₂ (chalcedony); blue color may be dye) — mineral

Blue agate (likely dyed and polished)

Microcrystalline quartz, SiO₂ (chalcedony); blue color may be dye

Yellow jasper (likely polished/tumbled) (Microcrystalline quartz, SiO₂, colored by iron oxides; exact identification is uncertain from the image) — mineral

Yellow jasper (likely polished/tumbled)

Microcrystalline quartz, SiO₂, colored by iron oxides; exact identification is uncertain from the image

Tumbled carnelian (Carnelian, orange-red chalcedony (microcrystalline SiO₂)) — mineral

Tumbled carnelian

Carnelian, orange-red chalcedony (microcrystalline SiO₂)

Jasper (Silicon dioxide (SiO2)) — mineral

Jasper

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

Jasper (Silicon dioxide (SiO2)) — mineral

Jasper

Silicon dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Jasper (Silicon dioxide, SiO2) — Mineral

Jasper

Silicon dioxide, SiO2

Fancy Jasper (Silicon Dioxide (SiO2)) — mineral

Fancy Jasper

Silicon Dioxide (SiO2)

Chrysoprase (Silicon dioxide with nickel impurities (SiO2 + Ni)) — mineral

Chrysoprase

Silicon dioxide with nickel impurities (SiO2 + Ni)

Green Jasper / Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Green Jasper / Chalcedony

Silicon Dioxide (SiO2)

Jasper (likely brecciated jasper) (Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides) — mineral

Jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron oxides