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

Black Onyx (Silicon dioxide (SiO2) with parallel banded structure) — Mineral (variety of chalcedony)

Black Onyx

Silicon dioxide (SiO2) with parallel banded structure

Mineral (variety of chalcedony)

Dyed Agate Slice (Silicon Dioxide (SiO2) with artificial colorants) — Mineral (variety of Chalcedony)

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial colorants

Mineral (variety of Chalcedony)

Moss Agate (Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite) — Mineral (variety of Chalcedony)

Moss Agate

Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite

Mineral (variety of Chalcedony)

Moss Agate (Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides) — Mineral (Variety of Chalcedony)

Moss Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides

Mineral (Variety of Chalcedony)

Carnelian (Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)) — Mineral (variety of Chalcedony)

Carnelian

Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)

Mineral (variety of Chalcedony)

Tree Agate (Silicon Dioxide with Chlorite inclusions (SiO2)) — Mineral (Variety of Chalcedony)

Tree Agate

Silicon Dioxide with Chlorite inclusions (SiO2)

Mineral (Variety of Chalcedony)

Bloodstone / Heliotrope (Silicon dioxide (SiO2) with inclusions) — Mineral (variety of Chalcedony)

Bloodstone / Heliotrope

Silicon dioxide (SiO2) with inclusions

Mineral (variety of Chalcedony)

Blue Lace Agate (Silicon Dioxide (SiO₂)) — Mineral (Variety of Chalcedony/Quartz)

Blue Lace Agate

Silicon Dioxide (SiO₂)

Mineral (Variety of Chalcedony/Quartz)

Red Jasper (Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)) — Mineral (variety of Chalcedony/Quartz)

Red Jasper

Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)

Mineral (variety of Chalcedony/Quartz)

Red Jasper (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — Mineral (variety of Chalcedony/Quartz)

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Mineral (variety of Chalcedony/Quartz)

Banded Agate (specifically Botryoidal/Orbicular Agate) (Silicon Dioxide (SiO2)) — Mineral (variety of Chalcedony/Quartz)

Banded Agate (specifically Botryoidal/Orbicular Agate)

Silicon Dioxide (SiO2)

Mineral (variety of Chalcedony/Quartz)

Red Jasper (beads) (SiO₂ (Silicon Dioxide)) — Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper (beads)

SiO₂ (Silicon Dioxide)

Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper or Iron-stained Quartz (SiO2 with Fe impurities) — mineral

Red Jasper or Iron-stained Quartz

SiO2 with Fe impurities

Agate (SiO2) — mineral

Agate

SiO2

Red jasper (likely) (Microcrystalline quartz, SiO₂, colored red by iron oxides) — mineral

Red jasper (likely)

Microcrystalline quartz, SiO₂, colored red by iron oxides

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

Chalcedony (Agate / Chert)

Silicon Dioxide (SiO2)

Small reddish-brown pebble, possibly jasper or iron-stained quartz (Unidentified silica-rich pebble; visual identification is insufficient to distinguish jasper, quartz, or another material) — mineral

Small reddish-brown pebble, possibly jasper or iron-stained quartz

Unidentified silica-rich pebble; visual identification is insufficient to distinguish jasper, quartz, or another material

Iron-rich jasper (likely rough jasper/chert) (Microcrystalline quartz (SiO₂), colored by iron oxides) — mineral

Iron-rich jasper (likely rough jasper/chert)

Microcrystalline quartz (SiO₂), colored by iron oxides

Tumbled chalcedony (possibly agate) (Microcrystalline quartz, SiO₂ (chalcedony); banding is not clearly visible to confirm agate) — mineral

Tumbled chalcedony (possibly agate)

Microcrystalline quartz, SiO₂ (chalcedony); banding is not clearly visible to confirm agate

Jasper (SiO2) — mineral

Jasper

SiO2

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

Chalcedony (Agate)

Chalcedony (Cryptocrystalline Quartz, SiO2)

Brown chalcedony (likely carnelian/agate) (Microcrystalline quartz, SiO₂; chalcedony variety) — mineral

Brown chalcedony (likely carnelian/agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Jasper (SiO2 (Cryptocrystalline quartz)) — mineral

Jasper

SiO2 (Cryptocrystalline quartz)

Orange-pink chalcedony (likely carnelian/chalcedony rough) (Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony) — mineral

Orange-pink chalcedony (likely carnelian/chalcedony rough)

Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Brecciated Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Polished jasper-like stone (Likely chalcedony (microcrystalline quartz, SiO₂), possibly brecciated jasper) — mineral

Polished jasper-like stone

Likely chalcedony (microcrystalline quartz, SiO₂), possibly brecciated jasper

Tumbled carnelian agate (Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)) — mineral

Tumbled carnelian agate

Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)

Jasper or Agate (Silicon dioxide (SiO2)) — Mineral

Jasper or Agate

Silicon dioxide (SiO2)

Red jasper (probable) (Jasper, an opaque microcrystalline variety of quartz; SiO₂, commonly colored by iron oxides) — mineral

Red jasper (probable)

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

Polished orange jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides) — mineral

Polished orange jasper

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

Polished agate geode slice (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Polished agate geode slice

Microcrystalline quartz (chalcedony), SiO₂

Polished jasper pebble (Jasper (microcrystalline quartz, SiO₂)) — sedimentary

Polished jasper pebble

Jasper (microcrystalline quartz, SiO₂)

Blue Lace Agate (or similar Chalcedony) (SiO2 (Silicon Dioxide)) — mineral

Blue Lace Agate (or similar Chalcedony)

SiO2 (Silicon Dioxide)

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

Tumbled brown agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony, possibly iron-stained

Polished orange agate (likely carnelian) (Chalcedony, microcrystalline quartz (SiO₂); orange-red variety commonly called carnelian) — mineral

Polished orange agate (likely carnelian)

Chalcedony, microcrystalline quartz (SiO₂); orange-red variety commonly called carnelian

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

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — Sedimentary/Mineral

Jasper

Microcrystalline Quartz (SiO2)

Sedimentary/Mineral

Agate (Agate (Chalcedony), SiO2) — Mineral

Agate

Agate (Chalcedony), SiO2

Tumbled chalcedony (likely orange agate/carnelian) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration) — mineral

Tumbled chalcedony (likely orange agate/carnelian)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

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

Polished honey/brown agate (likely carnelian chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration