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

Jasper (SiO2 (Cryptocrystalline quartz)) — mineral

Jasper

SiO2 (Cryptocrystalline quartz)

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Orange-pink chalcedony (likely carnelian/chalcedony rough) (Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony) — mineral

Orange-pink chalcedony (likely carnelian/chalcedony rough)

Microcrystalline quartz, SiO₂; iron-oxide-bearing chalcedony

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

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Polished jasper pebble (Jasper, an opaque variety of microcrystalline quartz (SiO₂), with iron-oxide inclusions) — mineral

Polished jasper pebble

Jasper, an opaque variety of microcrystalline quartz (SiO₂), with iron-oxide inclusions

Blue Lace Agate (or similar Chalcedony) (SiO2 (Silicon Dioxide)) — mineral

Blue Lace Agate (or similar Chalcedony)

SiO2 (Silicon Dioxide)

Polished jasper-like stone (Likely chalcedony (microcrystalline quartz, SiO₂), possibly brecciated jasper) — mineral

Polished jasper-like stone

Likely chalcedony (microcrystalline quartz, SiO₂), possibly brecciated jasper

Tumbled carnelian agate (Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)) — mineral

Tumbled carnelian agate

Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)

Jasper or Agate (Silicon dioxide (SiO2)) — Mineral

Jasper or Agate

Silicon dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — Sedimentary/Mineral

Jasper

Microcrystalline Quartz (SiO2)

Sedimentary/Mineral

Quartz-rich pebble, possibly agate or chalcedony (Microcrystalline quartz (SiO₂), identification uncertain from the image) — mineral

Quartz-rich pebble, possibly agate or chalcedony

Microcrystalline quartz (SiO₂), identification uncertain from the image

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

Tumbled brown agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony, possibly iron-stained

Polished orange agate (likely carnelian) (Chalcedony, microcrystalline quartz (SiO₂); orange-red variety commonly called carnelian) — mineral

Polished orange agate (likely carnelian)

Chalcedony, microcrystalline quartz (SiO₂); orange-red variety commonly called carnelian

Polished agate (likely carnelian or orange chalcedony) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloring) — mineral

Polished agate (likely carnelian or orange chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloring

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

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Jasper (Chalcedony (SiO2)) — mineral

Jasper

Chalcedony (SiO2)

Small polished agate (likely banded chalcedony) (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Small polished agate (likely banded chalcedony)

Chalcedony, microcrystalline quartz (SiO₂)

Red jasper (probable) (Jasper, an opaque microcrystalline variety of quartz; SiO₂, commonly colored by iron oxides) — mineral

Red jasper (probable)

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

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

Polished orange jasper

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

Polished agate geode slice (Microcrystalline quartz (chalcedony), SiO₂) — mineral

Polished agate geode slice

Microcrystalline quartz (chalcedony), SiO₂

Polished jasper pebble (Jasper (microcrystalline quartz, SiO₂)) — sedimentary

Polished jasper pebble

Jasper (microcrystalline quartz, SiO₂)

Agate (Agate (Chalcedony), SiO2) — Mineral

Agate

Agate (Chalcedony), SiO2

Tumbled chalcedony (likely orange agate/carnelian) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration) — mineral

Tumbled chalcedony (likely orange agate/carnelian)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Polished honey/brown agate (likely carnelian chalcedony) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration) — mineral

Polished honey/brown agate (likely carnelian chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Geode (Quartz / Chalcedony variety) — sedimentary

Geode

Quartz / Chalcedony variety

Yellow jasper carving (Jasper, an opaque microcrystalline variety of quartz (SiO₂), shaped as a butterfly) — gemstone

Yellow jasper carving

Jasper, an opaque microcrystalline variety of quartz (SiO₂), shaped as a butterfly

Tumbled yellow-orange chalcedony (likely carnelian or honey agate) (Microcrystalline quartz, SiO₂; orange coloration commonly from iron oxides) — mineral

Tumbled yellow-orange chalcedony (likely carnelian or honey agate)

Microcrystalline quartz, SiO₂; orange coloration commonly from iron oxides

Possible carnelian (brown-orange chalcedony) (Microcrystalline quartz, SiO₂; likely iron-stained chalcedony) — mineral

Possible carnelian (brown-orange chalcedony)

Microcrystalline quartz, SiO₂; likely iron-stained chalcedony

Agate (Cryptocrystalline quartz (SiO2)) — Mineral

Agate

Cryptocrystalline quartz (SiO2)

Tumbled orange chalcedony (Chalcedony (microcrystalline quartz, SiO₂), likely orange carnelian) — mineral

Tumbled orange chalcedony

Chalcedony (microcrystalline quartz, SiO₂), likely orange carnelian

Tumbled pale agate or chalcedony (Microcrystalline quartz (SiO₂), likely agate/chalcedony) — mineral

Tumbled pale agate or chalcedony

Microcrystalline quartz (SiO₂), likely agate/chalcedony

Tumbled pink chalcedony (likely pink agate) (Chalcedony, microcrystalline SiO₂; variety of quartz) — mineral

Tumbled pink chalcedony (likely pink agate)

Chalcedony, microcrystalline SiO₂; variety of quartz

Brown chalcedony (likely agate) (Microcrystalline quartz, SiO₂; chalcedony, possibly banded agate) — mineral

Brown chalcedony (likely agate)

Microcrystalline quartz, SiO₂; chalcedony, possibly banded agate

Jasper (Silicon dioxide, SiO2) — Mineral

Jasper

Silicon dioxide, SiO2

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Brown chalcedony (possibly carnelian) (Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony) — mineral

Brown chalcedony (possibly carnelian)

Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony

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

Brown jasper pebble

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

Green tumbled agate (likely green chalcedony) (Chalcedony, microcrystalline quartz (SiO₂); exact identification is uncertain from the photo) — mineral

Green tumbled agate (likely green chalcedony)

Chalcedony, microcrystalline quartz (SiO₂); exact identification is uncertain from the photo

Tumbled chalcedony (likely brown agate) (Chalcedony, microcrystalline quartz (SiO₂); possibly agate) — mineral

Tumbled chalcedony (likely brown agate)

Chalcedony, microcrystalline quartz (SiO₂); possibly agate

Polished pink-orange chalcedony (likely carnelian) (Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony) — mineral

Polished pink-orange chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony

Jasper (Microcrystalline Quartz (SiO2)) — mineral

Jasper

Microcrystalline Quartz (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate

Silicon Dioxide (SiO2)