Rock Identifier

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Mineral_variety_of_chalcedony

Browse mineral_variety_of_chalcedony specimens identified by the Rock Identifier community.

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Prase

Blue Jasper

Polished red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Chalcedony (Agate / Jasper Specimen) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Jasper Specimen)

Silicon Dioxide (SiO2)

Banded agate (polished agate slice) (Agate, a variety of microcrystalline quartz (SiO₂; chalcedony)) — mineral

Banded agate (polished agate slice)

Agate, a variety of microcrystalline quartz (SiO₂; chalcedony)

Tumbled yellow-brown agate (Agate, a banded variety of microcrystalline quartz (SiO₂)) — mineral

Tumbled yellow-brown agate

Agate, a banded variety of microcrystalline quartz (SiO₂)

Quartz (Chalcedony/Agate nodule) (Silicon dioxide (SiO2)) — mineral

Quartz (Chalcedony/Agate nodule)

Silicon dioxide (SiO2)

Yellow Jasper (Chalcedony (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

Chalcedony (SiO2) with iron oxide inclusions

Quartz (Milky/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Chalcedony variety)

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Jasper with Chalcedony (Silicon Dioxide (SiO2)) — mineral

Jasper with Chalcedony

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

Tumbled jasper pebble (Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides

Tumbled chalcedony (likely moss or dendritic agate) (Microcrystalline quartz, SiO₂, with iron-oxide inclusions) — mineral

Tumbled chalcedony (likely moss or dendritic agate)

Microcrystalline quartz, SiO₂, with iron-oxide inclusions

Chalcedony (likely agate/chert fragment) (Microcrystalline quartz, SiO₂) — mineral

Chalcedony (likely agate/chert fragment)

Microcrystalline quartz, SiO₂

Tumbled gray chalcedony (likely agate or quartzite) (Microcrystalline quartz, SiO₂ (chalcedony)) — mineral

Tumbled gray chalcedony (likely agate or quartzite)

Microcrystalline quartz, SiO₂ (chalcedony)

Tumbled carnelian/chalcedony (Carnelian, a translucent variety of microcrystalline quartz (SiO₂)) — mineral

Tumbled carnelian/chalcedony

Carnelian, a translucent variety of microcrystalline quartz (SiO₂)

Quartz (Milky or Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Chalcedony)

Silicon Dioxide (SiO2)

Quartz (Smoky Quartz / Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz / Chalcedony)

Silicon Dioxide (SiO2)

Chrysocolla in Quartz (Gem Silica) (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)) — mineral

Chrysocolla in Quartz (Gem Silica)

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)

Polished red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Agate (SiO2 (Silicon dioxide, cryptocrystalline quartz)) — mineral

Agate

SiO2 (Silicon dioxide, cryptocrystalline quartz)

Jasper (Green) (Silicon dioxide (SiO2)) — Mineral/Sedimentary

Jasper (Green)

Silicon dioxide (SiO2)

Mineral/Sedimentary

Blue lace agate (likely dyed or color-enhanced) (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Blue lace agate (likely dyed or color-enhanced)

Microcrystalline quartz (chalcedony), SiO₂

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

Gray Agate

Chalcedony (Silicon Dioxide, SiO2)

Polished blue chalcedony (likely blue agate) (Cryptocrystalline quartz, SiO₂; chalcedony variety) — gemstone

Polished blue chalcedony (likely blue agate)

Cryptocrystalline quartz, SiO₂; chalcedony variety

Black Onyx (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Black Onyx

Chalcedony (Silicon Dioxide, SiO2)

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

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

Jasper pebble

Silicon Dioxide (SiO2) with iron oxide impurities

Tumbled quartz-rich pebble (Microcrystalline quartz/chalcedony, SiO₂ (tentative)) — mineral

Tumbled quartz-rich pebble

Microcrystalline quartz/chalcedony, SiO₂ (tentative)

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

Banded Jasper

Silicon Dioxide (SiO2) with impurities

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

Blue Lace Agate

Silicon Dioxide (SiO2)

Likely botryoidal chalcedony (possibly ocean jasper) (Microcrystalline quartz, SiO₂; botryoidal variety) — mineral

Likely botryoidal chalcedony (possibly ocean jasper)

Microcrystalline quartz, SiO₂; botryoidal variety

Tumbled Carnelian and Quartz Mix (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Tumbled Carnelian and Quartz Mix

Silicon Dioxide (SiO2) with iron oxide impurities

Polished banded agate heart (Microcrystalline quartz (SiO₂), primarily chalcedony with iron-oxide inclusions) — mineral

Polished banded agate heart

Microcrystalline quartz (SiO₂), primarily chalcedony with iron-oxide inclusions

Ocean Jasper or Orbicular Jasper (SiO2) — mineral

Ocean Jasper or Orbicular Jasper

SiO2

Tumbled red jasper (Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled red jasper

Jasper, microcrystalline quartz (SiO₂), commonly colored by iron oxides

Agate (Cryptocrystalline Silicon Dioxide (SiO2)) — mineral

Agate

Cryptocrystalline Silicon Dioxide (SiO2)

Dalmation Stone (often called Dalmatian Jasper) (Antiperthite-rich Microgranite) — igneous

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

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

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron inclusions

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

Chrysoprase

Silicon dioxide with nickel impurities (SiO2 + Ni)

Jasper (Jasper (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Jasper

Jasper (Cryptocrystalline variety of Quartz, SiO2)

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

Chalcedony (Agate nodule fragment)

Silicon Dioxide (SiO2)

Crazy Lace Agate (Silicon Dioxide (SiO2) with iron and aluminum inclusions) — sedimentary mineral

Crazy Lace Agate

Silicon Dioxide (SiO2) with iron and aluminum inclusions

sedimentary mineral