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

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)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Agate (Silicon Dioxide (SiO2) - variety: Chalcedony) — mineral

Agate

Silicon Dioxide (SiO2) - variety: Chalcedony

Banded Agate (specifically Carnelian Agate slice) (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Banded Agate (specifically Carnelian Agate slice)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

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

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

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

Blue Lace Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Polished red jasper pebble (Jasper, microcrystalline quartz (SiO₂) colored mainly by hematite/goethite) — metamorphic

Polished red jasper pebble

Jasper, microcrystalline quartz (SiO₂) colored mainly by hematite/goethite

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

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

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

Red Jasper

Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities

Red Jasper Concretion (Cryptocrystalline Quartz (SiO2)) — sedimentary

Red Jasper Concretion

Cryptocrystalline Quartz (SiO2)

Tumbled jasper or chalcedony (Microcrystalline quartz (SiO₂), likely brown jasper/chalcedony) — mineral

Tumbled jasper or chalcedony

Microcrystalline quartz (SiO₂), likely brown jasper/chalcedony

Tumbled jasper (likely brecciated or leopard jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions) — mineral

Tumbled jasper (likely brecciated or leopard jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Tumbled jasper or chalcedony (Microcrystalline quartz (SiO₂), probably iron-stained jasper/chalcedony) — mineral

Tumbled jasper or chalcedony

Microcrystalline quartz (SiO₂), probably iron-stained jasper/chalcedony

Polished carnelian/chalcedony agate (Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide coloring) — mineral

Polished carnelian/chalcedony agate

Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide coloring

Banded Agate (Tumbled) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate (Tumbled)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian (Agate) (SiO2 (Silicon Dioxide) with Iron Oxide impurities) — mineral

Carnelian (Agate)

SiO2 (Silicon Dioxide) with Iron Oxide impurities

Blue Lace Agate (Tumbled) (Silicon Dioxide (SiO2) with trace minerals) — mineral

Blue Lace Agate (Tumbled)

Silicon Dioxide (SiO2) with trace minerals

Blue Lace Agate (Polished Point) (Silicon Dioxide (SiO2)) — mineral

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2)

Red Jasper (Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions) — mineral

Red Jasper

Silicon dioxide (SiO2) with hematite (Fe2O3) inclusions

Carnelian Agate (SiO2 (Silicon Dioxide) with Iron Oxide impurities) — mineral

Carnelian Agate

SiO2 (Silicon Dioxide) with Iron Oxide impurities

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)

Blue Lace Agate (polished pendant) (SiO2 (Silicon Dioxide) - Chalcedony variety) — mineral

Blue Lace Agate (polished pendant)

SiO2 (Silicon Dioxide) - Chalcedony variety

Tumbled blue chalcedony (likely common blue quartz) (Microcrystalline quartz, SiO₂; chalcedony variety) — mineral

Tumbled blue chalcedony (likely common blue quartz)

Microcrystalline quartz, SiO₂; chalcedony variety

Blue-dyed banded agate (Microcrystalline quartz (SiO₂), chalcedony variety) — mineral

Blue-dyed banded agate

Microcrystalline quartz (SiO₂), chalcedony variety

Blue lace agate (tumbled) (Microcrystalline quartz, SiO₂ (chalcedony variety)) — mineral

Blue lace agate (tumbled)

Microcrystalline quartz, SiO₂ (chalcedony variety)

Tumbled Red Jasper (Quartz (Microcrystalline variety of chalcedony, SiO2)) — mineral

Tumbled Red Jasper

Quartz (Microcrystalline variety of chalcedony, SiO2)

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Bloodstone (Chalcedony quartz variety (SiO2) with inclusions) — mineral

Bloodstone

Chalcedony quartz variety (SiO2) with inclusions

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

Plume Agate

Silicon Dioxide (SiO2) - Chalcedony Variety

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

Carnelian / Agate

Silicon Dioxide (SiO2) - Chalcedony variety

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

Carnelian (Tumbled Quartz)

Silicon Dioxide (SiO2) - Chalcedony variety

Lake Superior Agate (Silicon dioxide (SiO2) - variety of Chalcedony) — mineral

Lake Superior Agate

Silicon dioxide (SiO2) - variety of Chalcedony

Bloodstone (Chalcedony variety Heliotrope (SiO2 with inclusions)) — mineral

Bloodstone

Chalcedony variety Heliotrope (SiO2 with inclusions)

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

Carnelian Agate

Silicon Dioxide (SiO2) - Chalcedony variety

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

Lake Superior Agate

Silicon Dioxide (SiO2) - variety of Chalcedony