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 (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

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

Jasper or Chalcedony

Microcrystalline Quartz (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

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

Chalcedony (Tumbled)

Cryptocrystalline Quartz (SiO2)

Agate (Silicon dioxide (SiO2) - variety of chalcedony) — sedimentary

Agate

Silicon dioxide (SiO2) - variety of chalcedony

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper with Iron Staining (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper with Iron Staining

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Tumbled carnelian/chalcedony

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony

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

Red jasper (likely brecciated jasper)

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

Red Jasper (Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)) — mineral

Red Jasper

Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)

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

Dendritic Agate (Tumbled)

Silicon Dioxide (SiO2) with inclusions

Agate (Turtle Carving) (Agate (Cryptocrystalline variety of Silica, SiO2)) — mineral

Agate (Turtle Carving)

Agate (Cryptocrystalline variety of Silica, SiO2)

Chalcedony (Botryoidal Agate vein) (Chalcedony (Microcrystalline Quartz) - SiO2) — mineral

Chalcedony (Botryoidal Agate vein)

Chalcedony (Microcrystalline Quartz) - SiO2

Zebra Jasper (Jasper (variety of Quartz/Chalcedony), SiO2) — sedimentary

Zebra Jasper

Jasper (variety of Quartz/Chalcedony), SiO2

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Botryoidal Chalcedony (Quartz Var.) (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony (Quartz Var.)

Silicon Dioxide (SiO2)

Quartzite with Chalcedony (Metamorphosed Quartz-rich Sandstone (SiO2)) — metamorphic

Quartzite with Chalcedony

Metamorphosed Quartz-rich Sandstone (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Ocean Jasper (SiO2, highly silicified rhyolite or spherulitic chalcedony) — mineral

Ocean Jasper

SiO2, highly silicified rhyolite or spherulitic chalcedony

Jasper and Mixed River Pebbles (Microcrystalline Quartz (Chalcedony / Jasper)) — sedimentary

Jasper and Mixed River Pebbles

Microcrystalline Quartz (Chalcedony / Jasper)

Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Banded Agate (Silk Agate or Maligano Jasper variant) (Silicon Dioxide (SiO2)) — sedimentary

Banded Agate (Silk Agate or Maligano Jasper variant)

Silicon Dioxide (SiO2)

Polished red jasper (likely hematite-bearing jasper) (Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides such as hematite/goethite) — mineral

Polished red jasper (likely hematite-bearing jasper)

Jasper, microcrystalline quartz (SiO₂), colored chiefly by iron oxides such as hematite/goethite

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

Red Jasper

Silicon Dioxide (SiO2) with Iron impurities

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

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)

Red Jasper (Quartzite) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper (Quartzite)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Agate

Agate (Silicon Dioxide - SiO2)

Lake Superior Agate (Silicon dioxide (chalcedony variety quartz)) — sedimentary

Lake Superior Agate

Silicon dioxide (chalcedony variety quartz)

Banded Agate (specifically Botswana Agate appearance) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (specifically Botswana Agate appearance)

Silicon Dioxide (SiO2)

Carnelian (Carnelian (Chert/Chalcedony variety of Quartz, SiO2)) — mineral

Carnelian

Carnelian (Chert/Chalcedony variety of Quartz, SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Red jasper (likely rough jasper/chert) (Microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Red jasper (likely rough jasper/chert)

Microcrystalline quartz (SiO₂), commonly colored by iron oxides

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

Tumbled red jasper

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

Tumbled banded calcite (often sold as “onyx” or green onyx) (Calcite, CaCO₃; commonly banded cave/travertine calcite) — mineral

Tumbled banded calcite (often sold as “onyx” or green onyx)

Calcite, CaCO₃; commonly banded cave/travertine calcite

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

Tumbled Gray Agate (Silicon Dioxide (SiO2)) — mineral

Tumbled Gray Agate

Silicon Dioxide (SiO2)

Blue Dyed Agate Geode (Slice) (Silicon Dioxide (SiO2) - Chalcedony / Quartz) — mineral

Blue Dyed Agate Geode (Slice)

Silicon Dioxide (SiO2) - Chalcedony / Quartz

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

Jasper

Silicon Dioxide (SiO2) with impurities

Blue Agate (likely dyed) (Silicon Dioxide (SiO2)) — mineral

Blue Agate (likely dyed)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Jasper

Jasper (Silicon Dioxide, SiO2)