Rock Identifier

Category

Mineral, Variety Of Chalcedony (Microcrystalline Quartz)

Browse mineral, variety of chalcedony (microcrystalline quartz) specimens identified by the Rock Identifier community.

Red Jasper (beads) (SiO₂ (Silicon Dioxide)) — Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper (beads)

SiO₂ (Silicon Dioxide)

Mineral, variety of chalcedony (microcrystalline quartz)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Argetine Blue Agate (Chalcendony variant)

Silicon Dioxide (SiO₂)

Red Jasper (Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

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

Chrysoprase

Silicon dioxide with nickel impurities (SiO2 + Ni)

Chalcedony (Chalcedony (a microcrystalline variety of Quartz, SiO2)) — Mineral

Chalcedony

Chalcedony (a microcrystalline variety of Quartz, SiO2)

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

Chalcedony (Silicon dioxide (SiO2) - Microcrystalline quartz) — mineral

Chalcedony

Silicon dioxide (SiO2) - Microcrystalline quartz

Yellow Jasper (Tectosilicates (SiO2) with Goethite/Iron oxide inclusions) — sedimentary

Yellow Jasper

Tectosilicates (SiO2) with Goethite/Iron oxide inclusions

Agate (Silicon dioxide (SiO2)) — mineral

Agate

Silicon dioxide (SiO2)

Blue Agate (Chalcedony (SiO2)) — mineral

Blue Agate

Chalcedony (SiO2)

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

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

Chalcedony in Matrix

Silicon Dioxide (SiO2)

Gray Agate with Druzy Quartz Geode (Cryptocrystalline Quartz (SiO2)) — mineral

Gray Agate with Druzy Quartz Geode

Cryptocrystalline Quartz (SiO2)

Chalcedony (Botryoidal/Agate nodule) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (Botryoidal/Agate nodule)

Microcrystalline Quartz (SiO2)

Chalcedony (variations like Agate or Jasper) (Chalcedony (SiO₂ - microcrystalline quartz)) — Mineral

Chalcedony (variations like Agate or Jasper)

Chalcedony (SiO₂ - microcrystalline quartz)

Chalcedony (Common Opal variant or Quartz) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Common Opal variant or Quartz)

Silicon Dioxide (SiO2)

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

Carnelian

Carnelian (Silicon Dioxide - SiO2)

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

Silicon Dioxide (SiO2)

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

Chalcedony on Matrix

Silicon Dioxide (SiO2)

Jasper with Quartz inclusions (Silicon Dioxide (SiO2)) — sedimentary

Jasper with Quartz inclusions

Silicon Dioxide (SiO2)

Bloodstone (Heliotrope) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite) — mineral

Bloodstone (Heliotrope)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite

Onyx (beads) (SiO2 (Cryptocrystalline Quartz)) — Mineral

Onyx (beads)

SiO2 (Cryptocrystalline Quartz)

Red Chalcedony (likely dyed) (Chalcedony (a variety of Quartz), SiO2) — Mineral (Cryptocrystalline Quartz)

Red Chalcedony (likely dyed)

Chalcedony (a variety of Quartz), SiO2

Mineral (Cryptocrystalline Quartz)

Agate (Chalcedony Variation) (Silicon Dioxide (SiO2)) — mineral

Agate (Chalcedony Variation)

Silicon Dioxide (SiO2)

Jasper (Quartz (SiO2) with impurities) — sedimentary

Jasper

Quartz (SiO2) with impurities

Jasper or Chalcedony (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper or Chalcedony

Microcrystalline Quartz (SiO2)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Quartz Geode (partially formed/chalcedony with iron staining) (Quartz (SiO2) with Chalcedony (cryptocrystalline quartz) and likely Iron Oxides/Hydroxides) — Mineral/Sedimentary Rock Feature

Quartz Geode (partially formed/chalcedony with iron staining)

Quartz (SiO2) with Chalcedony (cryptocrystalline quartz) and likely Iron Oxides/Hydroxides

Mineral/Sedimentary Rock Feature

Chalcedony (Quartz Var.) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Quartz Var.)

Silicon Dioxide (SiO2)

Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Jasper

Jasper (Silicon Dioxide, SiO2)

Agate (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Agate

Silicon dioxide (SiO2) - variety Chalcedony

Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Carnelian (Carnelian (a variety of Chalcedony) - SiO2) — mineral

Carnelian

Carnelian (a variety of Chalcedony) - SiO2

Quartz (Rock Crystal) (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz (Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Jasper (Jasper (Silica/Quartz) - SiO2) — mineral

Jasper

Jasper (Silica/Quartz) - SiO2

Yellow Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxide) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxide