Rock Identifier

Category

Mineral (Specifically A Variety Of Chalcedony, Which Is A Cryptocrystalline Quartz)

Browse mineral (specifically a variety of chalcedony, which is a cryptocrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Mineral (Specifically A Variety Of Chalcedony, Which Is A Cryptocrystalline Quartz) in the encyclopedia

Chalcedony

Blue Chalcedony

Blue Chalcedony

Black Onyx

Prase

Landscape Agate

Landscape Agate

Tube Agate

Carnelian

Feather Agate

Sweetwater Agate

Sweetwater Agate

Honey Agate

Cathedral Agate

Cathedral Agate

Cloud Agate

Carnelian (Carnelian (a variety of Chalcedony, SiO

₂)) — Mineral (specifically a variety of Chalcedony, which is a cryptocrystalline quartz)

Carnelian

Carnelian (a variety of Chalcedony, SiO ₂)

Mineral (specifically a variety of Chalcedony, which is a cryptocrystalline quartz)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Carnelian (Orange Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)) — sedimentary

Jasper

Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)

Yellow Jasper (Silica (Silicon Dioxide, SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silica (Silicon Dioxide, SiO2) with iron inclusions

Carnelian (Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)) — Mineral (variety of Chalcedony)

Carnelian

Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)

Mineral (variety of Chalcedony)

Red Jasper (Silicon Dioxide (SiO2) - variety Jasper) — mineral

Red Jasper

Silicon Dioxide (SiO2) - variety Jasper

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

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

Blue Lace Agate (Cryptocrystalline variety of Quartz (SiO2)) — mineral

Blue Lace Agate

Cryptocrystalline variety of Quartz (SiO2)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Red Jasper Concretion (Cryptocrystalline Quartz (SiO2)) — sedimentary

Red Jasper Concretion

Cryptocrystalline Quartz (SiO2)

Leopard Skin Jasper (Chalcedony (cryptocrystalline Quartz)) — Mineral

Leopard Skin Jasper

Chalcedony (cryptocrystalline Quartz)

Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz) (Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates) — igneous, sedimentary, and metamorphic

Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)

Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates

igneous, sedimentary, and metamorphic

Banded Agate (Polished Slice) (Chalcedony (SiO2) with Quartz) — mineral

Banded Agate (Polished Slice)

Chalcedony (SiO2) with Quartz

Banded Carnelian (Carnelian (Silicon Dioxide / SiO2)) — mineral

Banded Carnelian

Carnelian (Silicon Dioxide / SiO2)

Argetine Blue Agate (Chalcendony variant) (Silicon Dioxide (SiO₂)) — mineral

Argetine Blue Agate (Chalcendony variant)

Silicon Dioxide (SiO₂)

Carnelian (Carnelian (a variety of Chalcedony, SiO₂)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO₂)

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

Chalcedony (Agate/Carnelian)

Cryptocrystalline Silicon Dioxide (SiO2)

Onyx (Onyx (a variety of Chalcedony, SiO₂)) — Mineral

Onyx

Onyx (a variety of Chalcedony, SiO₂)

Green Agate (Silicon dioxide (SiO₂)) — mineral

Green Agate

Silicon dioxide (SiO₂)

Carnelian (Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)

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

Yellow Jasper (Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chrysoprase (Chrysoprase (a variety of Chalcedony, SiO₂)) — Mineral

Chrysoprase

Chrysoprase (a variety of Chalcedony, SiO₂)

Blue Agate (Dyed) (Silicon Dioxide (SiO2)) — Sedimentary (formed from silica deposits)

Blue Agate (Dyed)

Silicon Dioxide (SiO2)

Sedimentary (formed from silica deposits)

Carnelian (Carnelian (a variety of Chalcedony, SiO2)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Agate Nodules (Cryptocrystalline Quartz (SiO2)) — mineral

Agate Nodules

Cryptocrystalline Quartz (SiO2)

Agate (Agate (a variety of Chalcedony, SiO2)) — Mineral

Agate

Agate (a variety of Chalcedony, SiO2)

Fossil Coral (Hexagonaria (Rugose coral) / Rugosa) — fossil

Fossil Coral

Hexagonaria (Rugose coral) / Rugosa

Banded Agate (specifically Carnelian Agate) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Agate (specifically Carnelian Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Red Jasper with Quartz and Hematite (Silicon Dioxide (SiO2) with Ferric Iron inclusions) — sedimentary

Red Jasper with Quartz and Hematite

Silicon Dioxide (SiO2) with Ferric Iron inclusions

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

Quartz (Agate/Chalcedony variety)

Silicon Dioxide (SiO2)

Blue Lace Agate (often dyed) (Silicon dioxide (SiO2) - variety of chalcedony) — mineral

Blue Lace Agate (often dyed)

Silicon dioxide (SiO2) - variety of chalcedony

Banded Agate (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Banded Agate

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Chalcedony (specifically Agate or Carnelian variety) (Cryptocrystalline Silica (SiO2)) — mineral

Chalcedony (specifically Agate or Carnelian variety)

Cryptocrystalline Silica (SiO2)

Banded Agate (specifically Carnelian Agate slice) (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Banded Agate (specifically Carnelian Agate slice)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Jasper (specifically variegated or swamp jasper beads) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — sedimentary

Jasper (specifically variegated or swamp jasper beads)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Banded Agate (specifically Botswana Agate or Water-line Agate) (Chalcedony (cryptocrystalline variety of Quartz), SiO2) — mineral

Banded Agate (specifically Botswana Agate or Water-line Agate)

Chalcedony (cryptocrystalline variety of Quartz), SiO2

Jasper (Silicon Dioxide (SiO2) - a variety of Chalcedony (Cryptocrystalline Quartz)) — Mineral

Jasper

Silicon Dioxide (SiO2) - a variety of Chalcedony (Cryptocrystalline Quartz)

Chalcedony (Botryoidal Agate vein) (Chalcedony (Microcrystalline Quartz) - SiO2) — mineral

Chalcedony (Botryoidal Agate vein)

Chalcedony (Microcrystalline Quartz) - SiO2

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

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Agate (specifically, likely a geode slice or nodule) (Agate (a variety of Chalcedony, with chemical formula SiO2)) — Mineral

Agate (specifically, likely a geode slice or nodule)

Agate (a variety of Chalcedony, with chemical formula SiO2)