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

Geode (Unopened) (Quartz/Chalcedony concretion) — sedimentary

Geode (Unopened)

Quartz/Chalcedony concretion

Yellow Chalcedony (Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Yellow Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)

Tumbled carnelian/chalcedony (Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides) — mineral

Tumbled carnelian/chalcedony

Chalcedony (microcrystalline quartz), SiO₂; reddish color from iron oxides

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

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Tumbled chalcedony or quartz fragment (Microcrystalline quartz, SiO₂ (probable chalcedony)) — mineral

Tumbled chalcedony or quartz fragment

Microcrystalline quartz, SiO₂ (probable chalcedony)

Yellow Jasper (Silicon dioxide, SiO2) — mineral

Yellow Jasper

Silicon dioxide, SiO2

Agate (or Quartz with Agate banding) (Silicon dioxide (SiO2)) — Mineral

Agate (or Quartz with Agate banding)

Silicon dioxide (SiO2)

Agate (SiO2) — Mineral

Agate

SiO2

Plume Agate or Moss Agate (Agate (SiO2)) — mineral

Plume Agate or Moss Agate

Agate (SiO2)

Chalcedony (Chalcedony (SiO2)) — mineral

Chalcedony

Chalcedony (SiO2)

Tumbled blue chalcedony (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Tumbled blue chalcedony

Chalcedony, microcrystalline quartz (SiO₂)

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

Tumbled jasper (likely brecciated or mahogany jasper)

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

Tumbled jasper, likely picture jasper or brecciated jasper (Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments) — mineral

Tumbled jasper, likely picture jasper or brecciated jasper

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

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Blue Lace Agate (Chalcedony (SiO2)) — mineral

Blue Lace Agate

Chalcedony (SiO2)

Brecciated jasper (Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich breccia) — sedimentary

Brecciated jasper

Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich breccia

Jasper (Silicon Dioxide (SiO2)) — mineral

Jasper

Silicon Dioxide (SiO2)

Chalcedony (Chalcedony (a microcrystalline variety of Quartz, SiO2)) — Mineral

Chalcedony

Chalcedony (a microcrystalline variety of Quartz, SiO2)

Chalcedony (Silicon dioxide (SiO2) - Microcrystalline quartz) — mineral

Chalcedony

Silicon dioxide (SiO2) - Microcrystalline quartz

Blue Lace Agate (Chalcedony (SiO2)) — mineral

Blue Lace Agate

Chalcedony (SiO2)

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Red jasper-like chalcedony pebble (Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper) — mineral

Red jasper-like chalcedony pebble

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

Carnelian (Silicon dioxide (SiO2) with Iron Oxide impurities) — mineral

Carnelian

Silicon dioxide (SiO2) with Iron Oxide impurities

Ocean Jasper (Orbicular Jasper) (Silicon Dioxide (SiO2) with various inclusions) — mineral

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with various inclusions

Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Agate

Silicon Dioxide (SiO2)

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Honey-colored chalcedony (rough agate/chert) (Microcrystalline quartz, SiO₂; likely chalcedony with iron-oxide staining) — mineral

Honey-colored chalcedony (rough agate/chert)

Microcrystalline quartz, SiO₂; likely chalcedony with iron-oxide staining

Banded Jasper (Silicon Dioxide with Iron Oxide impurities (SiO2)) — sedimentary

Banded Jasper

Silicon Dioxide with Iron Oxide impurities (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite inclusions

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

Tumbled orange chalcedony or carnelian

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony

White Agate (Chalcedony) (Chalcedony (SiO2)) — mineral

White Agate (Chalcedony)

Chalcedony (SiO2)

Sardonyx or Carnelian Agate (Silicon Dioxide (SiO2) with iron impurities) — mineral

Sardonyx or Carnelian Agate

Silicon Dioxide (SiO2) with iron impurities

Polished ocean jasper / orbicular jasper (likely) (Microcrystalline quartz (chalcedony), commonly with iron-oxide and other mineral inclusions) — mineral

Polished ocean jasper / orbicular jasper (likely)

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

Agate (SiO2 (Silicon dioxide, chalcedony variety)) — Mineral

Agate

SiO2 (Silicon dioxide, chalcedony variety)

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Jasper (Iron-stained Quartzite/Chert) (Silicon Dioxide (SiO2) with iron oxide inclusions) — Sedimentary

Jasper (Iron-stained Quartzite/Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide impurities

Chalcedony with jasper (likely brecciated jasper) (Microcrystalline quartz, SiO₂, with iron-oxide-rich jasper fragments) — mineral

Chalcedony with jasper (likely brecciated jasper)

Microcrystalline quartz, SiO₂, with iron-oxide-rich jasper fragments