Rock Identifier

Category

Mineral (Chalcedony Variety)

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

Learn about Mineral (Chalcedony Variety) in the encyclopedia

Blue Chalcedony

Blue Chalcedony

Brookite

Agate

Prase

Blue Lace Agate

Blue Lace Agate

Chrysoprase

Sard

Carnelian

Blue Jasper

Jasper

Plume Agate

Sagenite Agate

Red jasper (likely brecciated or iron-stained jasper) (Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides) — metamorphic

Red jasper (likely brecciated or iron-stained jasper)

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

Chalcedony (Tumbled Agate/Jasper) (Silicon dioxide (SiO2)) — sedimentary

Chalcedony (Tumbled Agate/Jasper)

Silicon dioxide (SiO2)

Red Jasper (River Pebble) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary/mineral

Red Jasper (River Pebble)

Silicon Dioxide (SiO2) with iron oxide inclusions

sedimentary/mineral

Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — sedimentary

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Blue lace agate (likely dyed or color-enhanced) (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Blue lace agate (likely dyed or color-enhanced)

Microcrystalline quartz (chalcedony), SiO₂

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

Gray Agate

Chalcedony (Silicon Dioxide, SiO2)

Polished/tumbled brown jasper (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions) — mineral

Polished/tumbled brown jasper

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

Quartz (Chalcedony/Agate nodule) (Silicon dioxide (SiO2)) — mineral

Quartz (Chalcedony/Agate nodule)

Silicon dioxide (SiO2)

Banded Agate (Silicon Dioxide (SiO2) - Chalcedony Variety) — mineral

Banded Agate

Silicon Dioxide (SiO2) - Chalcedony Variety

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Blue Lace Agate (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Blue Lace Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Agate (specifically Waterline or Onyx-type Agate) (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Agate (specifically Waterline or Onyx-type Agate)

Silicon Dioxide (SiO2) - variety Chalcedony

Banded Agate (Agate Slice) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Banded Agate (Agate Slice)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Polished jasper and banded agate specimens (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide and other inclusions) — mineral

Polished jasper and banded agate specimens

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide and other inclusions

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

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions

Tumbled Grey Agate (Silicon Dioxide (Chalcedony variety), SiO2) — mineral

Tumbled Grey Agate

Silicon Dioxide (Chalcedony variety), SiO2

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

Agate (Chalcedony)

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Blue Chalcedony Cube

Silicon Dioxide (SiO2)

Agate (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Agate

Silicon dioxide (SiO2) - variety Chalcedony

Banded Agate (specifically Carnelian Agate) (Silicon dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate (specifically Carnelian Agate)

Silicon dioxide (SiO2) - Chalcedony variety

Agate (Chalcendony (Silicon Dioxide, SiO2)) — mineral

Agate

Chalcendony (Silicon Dioxide, SiO2)

Tumbled Carnelian (Silicon Dioxide (Variety of Chalcedony), SiO2) — gemstone

Tumbled Carnelian

Silicon Dioxide (Variety of Chalcedony), SiO2

Tumbled Chalcedony (Quartz (Silicon Dioxide - SiO2)) — mineral

Tumbled Chalcedony

Quartz (Silicon Dioxide - SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Red Jasper (Red Jasper (variety of Chalcedony, SiO₂)) — Mineral

Red Jasper

Red Jasper (variety of Chalcedony, SiO₂)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

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

Tumbled agate, likely carnelian/chalcedony

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

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

Red jasper (tumbled)

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

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

Jasper (likely red/brown jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Red jasper (likely polished/tumbled) (Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides) — mineral

Red jasper (likely polished/tumbled)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

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

Red jasper pebble

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

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Bloodstone (Heliotrope) (SiO2 (Silicon Dioxide with Iron Oxide inclusions)) — sedimentary

Bloodstone (Heliotrope)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Tumbled chalcedony (likely brown-yellow jasper or agate) (Microcrystalline quartz (SiO₂), chalcedony variety) — mineral

Tumbled chalcedony (likely brown-yellow jasper or agate)

Microcrystalline quartz (SiO₂), chalcedony variety

Yellow Jasper (Silicon Dioxide (SiO2) with iron hydroxides) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides

Red Jasper (Jasper (Silicate Mineral - SiO2)) — sedimentary

Red Jasper

Jasper (Silicate Mineral - SiO2)

Ocean Jasper (Spherulitic Chalcedony (SiO2 with impurities)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2 with impurities)

Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony

Silicon Dioxide (SiO2)