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

Polished brecciated jasper (Jasper, an opaque microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral inclusions) — gemstone

Polished brecciated jasper

Jasper, an opaque microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral inclusions

Jasper (Iron-rich) (Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities) — sedimentary

Jasper (Iron-rich)

Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities

Jasper (Green Jasper/Chert) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (Green Jasper/Chert)

Silicon Dioxide (SiO2)

Chalcedony (gray-white agate) (Microcrystalline quartz, SiO₂) — mineral

Chalcedony (gray-white agate)

Microcrystalline quartz, SiO₂

Agate Nodule (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate Nodule

Silicon Dioxide (Chalcedony), SiO2

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Chert (Chalcedony) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Chalcedony)

Microcrystalline quartz (SiO2)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

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

Red Jasper (Jasper)

Silicon Dioxide (SiO₂)

Red Jasper (Jasper (variety of Chert/Chalcedony, formula SiO2)) — sedimentary

Red Jasper

Jasper (variety of Chert/Chalcedony, formula SiO2)

Green aventurine (likely) (Quartz variety; silicon dioxide (SiO₂) with green fuchsite mica inclusions) — mineral

Green aventurine (likely)

Quartz variety; silicon dioxide (SiO₂) with green fuchsite mica inclusions

Worked chert (likely flint) (Microcrystalline quartz/chalcedony, SiO₂) — sedimentary

Worked chert (likely flint)

Microcrystalline quartz/chalcedony, SiO₂

Agate (SiO2 (Silicon dioxide, cryptocrystalline quartz variety chalcedony)) — gemstone

Agate

SiO2 (Silicon dioxide, cryptocrystalline quartz variety chalcedony)

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)) — Mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Quartz Geode (Silicon Dioxide (SiO2)) — Mineral / Sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Mineral / Sedimentary

Amethyst geode (Quartz (SiO₂), purple variety amethyst; commonly in basalt-hosted geodes) — mineral

Amethyst geode

Quartz (SiO₂), purple variety amethyst; commonly in basalt-hosted geodes

Agate Geode (Silicon Dioxide (SiO2) - variety Chalcedony/Quartz) — sedimentary

Agate Geode

Silicon Dioxide (SiO2) - variety Chalcedony/Quartz

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Poppy Jasper (Jasper (variety of Chalcedony), SiO2 (Silicon Dioxide)) — sedimentary

Poppy Jasper

Jasper (variety of Chalcedony), SiO2 (Silicon Dioxide)

Jasper with Iron Staining (Silicon Dioxide (SiO2) with Ferric Oxide inclusions) — sedimentary

Jasper with Iron Staining

Silicon Dioxide (SiO2) with Ferric Oxide inclusions

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities

Jasper Agate (specifically Brecciated Jasper) (Silicon Dioxide (SiO2) with iron oxide and clay impurities) — sedimentary

Jasper Agate (specifically Brecciated Jasper)

Silicon Dioxide (SiO2) with iron oxide and clay impurities

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite)

Jasper River Pebble (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper River Pebble

Silicon Dioxide (SiO2) with iron oxide impurities

Dalmatian Stone (Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)) — igneous

Dalmatian Stone

Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)

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

Yellow Jasper

Jasper (Silicon Dioxide, SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Jasper Cross (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper Cross

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper (possibly Orbicular Jasper) (Silicon Dioxide with inclusions (SiO2)) — sedimentary

Red Jasper (possibly Orbicular Jasper)

Silicon Dioxide with inclusions (SiO2)

Chalcedony (likely iron-stained agate) (Microcrystalline quartz, SiO₂ (chalcedony/agate)) — mineral

Chalcedony (likely iron-stained agate)

Microcrystalline quartz, SiO₂ (chalcedony/agate)

Serpentinite (Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)

Flint (Silicon dioxide (Microcrystalline Quartz / Chert)) — sedimentary

Flint

Silicon dioxide (Microcrystalline Quartz / Chert)

Quartz (Chert/Chalcedony variant) (Silicon dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variant)

Silicon dioxide (SiO2)

Tumbled brown chalcedony (possibly carnelian or jasper) (Microcrystalline quartz, SiO₂; likely iron-stained chalcedony) — mineral

Tumbled brown chalcedony (possibly carnelian or jasper)

Microcrystalline quartz, SiO₂; likely iron-stained chalcedony

Chert (Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chalcedony)

Silicon Dioxide (SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities