Rock Identifier

Category

Mineral (Variety Of Chalcedony)

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

Carnelian (Banded Agate) (Carnelian Chalcedony (SiO2)) — mineral

Carnelian (Banded Agate)

Carnelian Chalcedony (SiO2)

Honey Calcite (Orange Onyx) (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite (Orange Onyx)

Calcium Carbonate (CaCO3)

Carnelian (Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)) — mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)

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

Agate

Chalcedony (Silicon Dioxide, SiO2)

Chalcedony (Silicon Dioxide (SiO₂)) — mineral

Chalcedony

Silicon Dioxide (SiO₂)

Banded Agate (Pink/White) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Banded Agate (Pink/White)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Blue Lace Agate (Chalcedony (SiO2) with trace minerals) — mineral

Blue Lace Agate

Chalcedony (SiO2) with trace minerals

Chalcedony (Cryptocrystalline Quartz (SiO2)) — Mineral

Chalcedony

Cryptocrystalline Quartz (SiO2)

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

Red Jasper

Jasper (Silica with Iron Oxide inclusions), SiO2

Jasper (Iron-rich Chalcedony) (Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)) — Sedimentary / Metamorphic

Jasper (Iron-rich Chalcedony)

Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)

Sedimentary / Metamorphic

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

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

Yellow Jasper

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

Quartz Geode (partially formed/chalcedony with iron staining) (Quartz (SiO2) with Chalcedony (cryptocrystalline quartz) and likely Iron Oxides/Hydroxides) — Mineral/Sedimentary Rock Feature

Quartz Geode (partially formed/chalcedony with iron staining)

Quartz (SiO2) with Chalcedony (cryptocrystalline quartz) and likely Iron Oxides/Hydroxides

Mineral/Sedimentary Rock Feature

Orca Agate (Chalcedony) (Silicon Dioxide (SiO2) with inclusions) — mineral

Orca Agate (Chalcedony)

Silicon Dioxide (SiO2) with inclusions

Blue Lace Agate (Chalcedony (SiO2) with trace impurities) — mineral

Blue Lace Agate

Chalcedony (SiO2) with trace impurities

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

Jasper (specifically Owyhee or Picture Jasper variety)

Jasper (Silicon Dioxide, SiO2)

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

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

Jasper (Silicon Dioxide (SiO2)) — mineral

Jasper

Silicon Dioxide (SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

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

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

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

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Red Jasper (Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities) — sedimentary

Red Jasper

Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

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

Fancy Jasper

Silicon Dioxide (SiO2) with impurities

Banded Calcite (known as Mexican Onyx or Calcite Alabaster) (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite (known as Mexican Onyx or Calcite Alabaster)

Calcium Carbonate (CaCO3)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

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

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

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper River Pebble (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Jasper River Pebble

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Banded Agate (Agatized Geode Slice) (Silicon Dioxide (SiO₂)) — mineral

Banded Agate (Agatized Geode Slice)

Silicon Dioxide (SiO₂)

Orange Quartz (or Tumbled Carnelian) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz (or Tumbled Carnelian)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chalcedony (Botryoidal/Agate nodule) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (Botryoidal/Agate nodule)

Microcrystalline Quartz (SiO2)

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

Banded Agate (specifically Carnelian Agate color)

Silicon Dioxide (SiO2) - variety of Chalcedony

Heliotrope (Bloodstone) (Silicon dioxide (SiO2) with inclusions) — mineral

Heliotrope (Bloodstone)

Silicon dioxide (SiO2) with inclusions

Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.) (Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)) — mineral

Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.)

Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Red Jasper

Jasper (Silicate Mineral - SiO2)

Banded Agate (Silicon Dioxide (SiO2)) — mineral

Banded Agate

Silicon Dioxide (SiO2)