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

Red Jasper or Chert (Jasper (SiO2, a variety of chalcedony with iron oxide impurities), Chert (SiO2)) — sedimentary

Red Jasper or Chert

Jasper (SiO2, a variety of chalcedony with iron oxide impurities), Chert (SiO2)

Yellow Quartz (Citrine or Yellow Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Yellow Chalcedony)

Silicon Dioxide (SiO2)

Tiger's Eye (Multicolor/Variegated) (Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)) — mineral

Tiger's Eye (Multicolor/Variegated)

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)

Polished quartz-rich pebble, possibly jasper or quartzite (Quartzite or chalcedony-bearing jasper; predominantly SiO₂) — metamorphic

Polished quartz-rich pebble, possibly jasper or quartzite

Quartzite or chalcedony-bearing jasper; predominantly SiO₂

Chert (and Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (and Chalcedony)

Microcrystalline Quartz (SiO2)

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

Chert (Pebble)

Silicon Dioxide (SiO2)

Carnelian or Red Agate (Chalcedony (SiO2)) — mineral

Carnelian or Red Agate

Chalcedony (SiO2)

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

Dyed Agate (Chalcedony (SiO2)) — mineral

Dyed Agate

Chalcedony (SiO2)

Onyx (Chalcedony (SiO2)) — mineral

Onyx

Chalcedony (SiO2)

Carnelian Agate (Chalcedony (SiO2)) — mineral

Carnelian Agate

Chalcedony (SiO2)

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Agate (Chalcedony SiO2) — mineral

Agate

Chalcedony SiO2

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

Blue Lace Agate (Chalcedony (SiO2)) — mineral

Blue Lace Agate

Chalcedony (SiO2)

Crazy Lace Agate (Chalcedony (SiO2)) — mineral

Crazy Lace Agate

Chalcedony (SiO2)

Gray Chalcedony Gemstone (Chalcedony (SiO2)) — mineral

Gray Chalcedony Gemstone

Chalcedony (SiO2)

Dyed Agate (Chalcedony (SiO2)) — Mineral

Dyed Agate

Chalcedony (SiO2)

Bloodstone (Chalcedony (Quartz)) — Mineral

Bloodstone

Chalcedony (Quartz)

Botryoidal Chalcedony (Agate/Carnelian) (Chalcedony (SiO2)) — mineral

Botryoidal Chalcedony (Agate/Carnelian)

Chalcedony (SiO2)

Banded Agate (Chalcedony (SiO2)) — mineral

Banded Agate

Chalcedony (SiO2)

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Crazy Lace Agate (Chalcedony (SiO2)) — Mineral

Crazy Lace Agate

Chalcedony (SiO2)

Dyed Agate (Chalcedony (SiO2)) — mineral

Dyed Agate

Chalcedony (SiO2)

Banded Onyx (Chalcedony (SiO2)) — mineral

Banded Onyx

Chalcedony (SiO2)

Agate (Chalcedony (SiO2)) — Mineral

Agate

Chalcedony (SiO2)

Marcasite on Agate / Sphalerite-Pyrite Agate Geode Slice (Marcasite (FeS2) / Pyrite on Quartz (SiO2)) — mineral

Marcasite on Agate / Sphalerite-Pyrite Agate Geode Slice

Marcasite (FeS2) / Pyrite on Quartz (SiO2)

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

Jasper (Imperial Jasper style)

Silicon Dioxide (SiO2) with impurities

Black Onyx (Cryptocrystalline Quartz (SiO2) with impurities) — mineral

Black Onyx

Cryptocrystalline Quartz (SiO2) with impurities

Green Jasper / Plasma (Microcrystalline Quartz (Chalcedony), SiO2 with inclusions) — gemstone

Green Jasper / Plasma

Microcrystalline Quartz (Chalcedony), SiO2 with inclusions

Dendritic Agate (Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions

Green cabochon gemstone, likely aventurine or dyed chalcedony (Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony) — gemstone

Green cabochon gemstone, likely aventurine or dyed chalcedony

Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony

Mookaite Jasper (Siliceous sedimentary rock (variety of Jasper/Chert)) — Sedimentary Rock

Mookaite Jasper

Siliceous sedimentary rock (variety of Jasper/Chert)

Sedimentary Rock

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

Brecciated Jasper

Silicon Dioxide (SiO2) with iron impurities

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Black Moonstone (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Black Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Geode Nodules / Keokuk Geode (Quartz / Chalcedony Geode (SiO2)) — sedimentary

Geode Nodules / Keokuk Geode

Quartz / Chalcedony Geode (SiO2)

Chalcedony Rose (Silicon Dioxide (SiO2)) — mineral

Chalcedony Rose

Silicon Dioxide (SiO2)

Jasper / Quartz Pebble (Silicon Dioxide (SiO2) with microcrystalline impurities) — sedimentary

Jasper / Quartz Pebble

Silicon Dioxide (SiO2) with microcrystalline impurities

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chrysocolla (Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions