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

Agate (SiO2) — Mineral/Gemstone

Agate

SiO2

Mineral/Gemstone

Banded Agate (specifically Sardonyx Agate) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate (specifically Sardonyx Agate)

Silicon Dioxide (SiO2) - Chalcedony variety

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

Flower Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Agate (Geode nodule fragment) (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Agate (Geode nodule fragment)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Green Chalcedony (Batu Akik) (Silicon Dioxide (SiO2)) — gemstone

Green Chalcedony (Batu Akik)

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)

Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

Tumbled carnelian (red chalcedony) (Carnelian, a microcrystalline variety of quartz (SiO₂)) — mineral

Tumbled carnelian (red chalcedony)

Carnelian, a microcrystalline variety of quartz (SiO₂)

Yellow jasper / silicified breccia (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide staining and possible breccia fragments) — mineral

Yellow jasper / silicified breccia

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide staining and possible breccia fragments

Polished plume agate (Chalcedony (microcrystalline SiO₂) with iron-oxide inclusions) — mineral

Polished plume agate

Chalcedony (microcrystalline SiO₂) with iron-oxide inclusions

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

Tumbled chalcedony (likely moss or dendritic agate)

Microcrystalline quartz, SiO₂, with iron-oxide inclusions

Tumbled red jasper (probable) (Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides) — mineral

Tumbled red jasper (probable)

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

Tumbled brown agate (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide inclusions) — mineral

Tumbled brown agate

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

Polished orange agate/jasper cabochon (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide coloration; exact variety uncertain) — mineral

Polished orange agate/jasper cabochon

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide coloration; exact variety uncertain

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

Polished red jasper

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

Tumbled Agate and Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Tumbled Agate and Chalcedony

Cryptocrystalline Quartz (SiO2)

Agate (Moss or Green Agate) (Silicon Dioxide (SiO2)) — mineral

Agate (Moss or Green Agate)

Silicon Dioxide (SiO2)

Dragon Blood Jasper (SiO2) — mineral

Dragon Blood Jasper

SiO2

Red Jasper (Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

Jasper (Silicon Dioxide (SiO2) with impurities) — mineral

Jasper

Silicon Dioxide (SiO2) with impurities

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

Banded Agate

Agate (Silicon Dioxide, SiO2)

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

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (SiO2)) — mineral

Jasper

Silicon Dioxide (SiO2)

Agate (Polished Sphere) (Silicon Dioxide (SiO2)) — mineral

Agate (Polished Sphere)

Silicon Dioxide (SiO2)

Chalcedony (Agate/Carnelian) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate/Carnelian)

Cryptocrystalline Quartz (SiO2)

Jasper Beads (Polished) (Silicon Dioxide (SiO2)) — sedimentary

Jasper Beads (Polished)

Silicon Dioxide (SiO2)

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

Blue Lace Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Jasper (Chalcedony (Microcrystalline Quartz) - SiO2) — sedimentary or metamorphic

Jasper

Chalcedony (Microcrystalline Quartz) - SiO2

sedimentary or metamorphic

Polished River Jasper (Silicon Dioxide (SiO2) with iron and other mineral inclusions) — sedimentary

Polished River Jasper

Silicon Dioxide (SiO2) with iron and other mineral inclusions

Jasper (specifically Owyhee or Picture Jasper variety) (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper (specifically Owyhee or Picture Jasper variety)

Jasper (Silicon Dioxide, SiO2)

Oceanside Agate (Orbicular Agate) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Oceanside Agate (Orbicular Agate)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

Silicon Dioxide (SiO2)

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

Agate

Silicon dioxide (SiO2) - variety Chalcedony

Jasper Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper Pebble

Microcrystalline Quartz (SiO2)

Blue Lace Agate (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Blue Lace Agate

Silicon Dioxide (Chalcedony variety), SiO2

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

Chalcedony (Variety: Agate)

Silicon Dioxide (SiO2)

Carnelian (orange chalcedony) (Cryptocrystalline quartz, SiO₂; orange variety of chalcedony) — gemstone

Carnelian (orange chalcedony)

Cryptocrystalline quartz, SiO₂; orange variety of chalcedony

Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2) with iron and other mineral inclusions) — mineral

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with iron and other mineral inclusions

Red Jasper (Jasper (Silica with Iron Oxide inclusions), SiO2) — sedimentary

Red Jasper

Jasper (Silica with Iron Oxide inclusions), SiO2

Chalcedony (specifically Blue Chalcedony or Common Opal variety) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (specifically Blue Chalcedony or Common Opal variety)

Silicon Dioxide (SiO₂)

Dyed Agate Slice (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Dyed Agate Slice

Silicon Dioxide (SiO2) - Chalcedony variety