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

Agate (Brecciated / Moss Agate with Jasproid Inclusions) (Silicon Dioxide (SiO2)) — mineral

Agate (Brecciated / Moss Agate with Jasproid Inclusions)

Silicon Dioxide (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper) (Chalcedony (SiO₂)) — Mineral (or mineraloid if microcrystalline)

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)

Chalcedony (SiO₂)

Mineral (or mineraloid if microcrystalline)

Banded Calcite (often commercially sold as Mexican Onyx or Green Onyx) (Calcium Carbonate (CaCO3)) — sedimentary

Banded Calcite (often commercially sold as Mexican Onyx or Green Onyx)

Calcium Carbonate (CaCO3)

Tumbled pale quartz/chalcedony fragment (Quartz (SiO₂), possibly microcrystalline chalcedony) — mineral

Tumbled pale quartz/chalcedony fragment

Quartz (SiO₂), possibly microcrystalline chalcedony

Dendritic Agate or Moss Agate Nodules (Septarian-like) (Chalcedony with mineral inclusions (SiO2)) — sedimentary

Dendritic Agate or Moss Agate Nodules (Septarian-like)

Chalcedony with mineral inclusions (SiO2)

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

Jasper (Chert)

Silicon Dioxide (SiO2)

White Jade / White Chalcedony (Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)) — Mineral

White Jade / White Chalcedony

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides

Agate Geode (Silicon Dioxide (SiO2)) — sedimentary

Agate Geode

Silicon Dioxide (SiO2)

Jasper (Banded Argillite/Chert mix) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Banded Argillite/Chert mix)

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Agate (Chalcedony (SiO2 with impurities)) — mineral

Banded Agate

Chalcedony (SiO2 with impurities)

Chrysoprase (Silicon dioxide (SiO2) with nickel impurities) — mineral

Chrysoprase

Silicon dioxide (SiO2) with nickel impurities

Carnelian (Carnelian (SiO2)) — mineral

Carnelian

Carnelian (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Geode with Quartz and possibly Jasper/Hematite (Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides) — Mineral/Sedimentary Geode

Geode with Quartz and possibly Jasper/Hematite

Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides

Mineral/Sedimentary Geode

Blue Agate (Dyed or Treated Chalcedony) (Silicon Dioxide (SiO2), microcrystalline quartz variety) — mineral

Blue Agate (Dyed or Treated Chalcedony)

Silicon Dioxide (SiO2), microcrystalline quartz variety

Yellow Jasper with Hematite (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Yellow Jasper with Hematite

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Chalcedony on Matrix (Silicon Dioxide (SiO2)) — mineral

Chalcedony on Matrix

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with hematite inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with hematite inclusions

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

Chrysoprase (Chalcedony with nickel impurities (SiO2)) — gemstone

Chrysoprase

Chalcedony with nickel impurities (SiO2)

Jasper and Agate (Polished Pebble) (Chalcedony (SiO2 with impurities)) — Sedimentary

Jasper and Agate (Polished Pebble)

Chalcedony (SiO2 with impurities)

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

Tumbled Agate

Silicon Dioxide (Chalcedony variety), SiO2

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

Chrysoprase

Silicon Dioxide (Chalcedony variety), SiO2

Banded Jasper (Silicate Mineral (Microcrystalline Quartz / SiO2)) — sedimentary

Banded Jasper

Silicate Mineral (Microcrystalline Quartz / SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Yellow Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

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 (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Polished white agate or chalcedony bead (Microcrystalline quartz (SiO₂), likely chalcedony/agate with iron-oxide staining or a brown mineral inclusion) — gemstone

Polished white agate or chalcedony bead

Microcrystalline quartz (SiO₂), likely chalcedony/agate with iron-oxide staining or a brown mineral inclusion

Agate Nodule / Weathered Agate (Silicon Dioxide (Chalcedony / Quartz, SiO2)) — sedimentary

Agate Nodule / Weathered Agate

Silicon Dioxide (Chalcedony / Quartz, SiO2)

Jasper (likely Polychrome or Ocean Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (likely Polychrome or Ocean Jasper)

Silicon Dioxide (SiO2) with impurities

Fancy Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Fancy Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Chalcedony (Silicon dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

Yellow Jasper (Silicon Dioxide (SiO2)) — mineral

Yellow Jasper

Silicon Dioxide (SiO2)

Black Onyx (Silicon Dioxide (SiO2) with parallel banding) — mineral

Black Onyx

Silicon Dioxide (SiO2) with parallel banding

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

Carnelian

Carnelian (SiO2 - Silicon Dioxide)

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

Banded Agate (Chert / Chalcedony)

Silicon Dioxide (SiO2)

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)