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

Crazy Lace Agate (Chalcedony (Silicon dioxide, SiO2)) — Mineral

Crazy Lace Agate

Chalcedony (Silicon dioxide, SiO2)

Agate Geode (Unopened) (Cryptocrystalline Quartz (SiO2) with Chalcedony) — mineral

Agate Geode (Unopened)

Cryptocrystalline Quartz (SiO2) with Chalcedony

River Chalcedony / Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

River Chalcedony / Agate

Chalcedony (Silicon Dioxide, SiO2)

Ocean Jasper (Orbicular Jasper, Chalcedony (SiO2)) — mineral

Ocean Jasper

Orbicular Jasper, Chalcedony (SiO2)

Chalcedony (specifically Agate or Carnelian pebble) (Chalcedony (Microcrystalline Quartz, SiO2)) — mineral

Chalcedony (specifically Agate or Carnelian pebble)

Chalcedony (Microcrystalline Quartz, SiO2)

Blue Dyed Agate Geode (Chalcedony (cryptocrystalline Quartz), SiO2) — mineral

Blue Dyed Agate Geode

Chalcedony (cryptocrystalline Quartz), SiO2

Banded Agate (White Agate) (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Banded Agate (White Agate)

Chalcedony (Silicon Dioxide, SiO2)

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

Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

Agate (Plume or Moss Agate variant) (Chalcedony (SiO2) with various inclusions) — mineral

Agate (Plume or Moss Agate variant)

Chalcedony (SiO2) with various inclusions

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

Chalcedony (Agate/Carnelian precursor)

Chalcedony (Silicon Dioxide, SiO2)

Carnelian and Dyed Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Carnelian and Dyed Agate

Chalcedony (Silicon Dioxide, SiO2)

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

Moss Agate

Chalcedony (Silicon Dioxide / SiO2)

Carnelian (Carnelian (Chert/Chalcedony) - SiO2) — mineral

Carnelian

Carnelian (Chert/Chalcedony) - SiO2

Dragon Vein Agate (Chalcedony (cryptocrystalline Quartz), SiO2) — mineral

Dragon Vein Agate

Chalcedony (cryptocrystalline Quartz), SiO2

Banded Agate (Polished Slice) (Chalcedony (cryptocrystalline Quartz), SiO2) — mineral

Banded Agate (Polished Slice)

Chalcedony (cryptocrystalline Quartz), SiO2

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

Botryoidal Agate

Chalcedony (Silicon Dioxide, SiO2)

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

Banded Agate

Chalcedony (Silicon Dioxide, SiO2)

Montana Moss Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Montana Moss Agate

Chalcedony (Silicon Dioxide, SiO2)

Dendritic Agate (Silicon Dioxide with inclusions (SiO2 + Mn/Fe)) — mineral

Dendritic Agate

Silicon Dioxide with inclusions (SiO2 + Mn/Fe)

Satin Spar (Selenite) (Gypsum (CaSO4·2H2O)) — mineral

Satin Spar (Selenite)

Gypsum (CaSO4·2H2O)

Chrysocolla (Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O

Tiger's Eye (Raw) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (Raw)

Pseudomorph of Quartz after Crocidolite (SiO2)

Fluorite (Blue) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Blue)

Calcium Fluoride (CaF2)

Tree Agate (Silicon Dioxide with inclusions (SiO2)) — mineral

Tree Agate

Silicon Dioxide with inclusions (SiO2)

Chalcedony (Smoky Quartz or Agate nodule fragment) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Smoky Quartz or Agate nodule fragment)

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Tumbled chalcedony or quartz-rich stone (Microcrystalline quartz, SiO₂; possibly pale chert or chalcedony) — mineral

Tumbled chalcedony or quartz-rich stone

Microcrystalline quartz, SiO₂; possibly pale chert or chalcedony

Quartz Geode (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz Geode (Chalcedony)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Agate (or Banded Agate) (Agate (a variety of Chalcedony, which is a cryptocrystalline form of Quartz); Chemical Formula: SiO₂ (Silicon Dioxide)) — Mineral, specifically a Cryptocrystalline Quartz variety

Agate (or Banded Agate)

Agate (a variety of Chalcedony, which is a cryptocrystalline form of Quartz); Chemical Formula: SiO₂ (Silicon Dioxide)

Mineral, specifically a Cryptocrystalline Quartz variety

Morganite and Aquamarine (Beryl) Bracelet (Beryllium aluminum silicate, Be3Al2(SiO3)6) — gemstone

Morganite and Aquamarine (Beryl) Bracelet

Beryllium aluminum silicate, Be3Al2(SiO3)6

Dalmatian Jasper (Peralkaline Quartz-Feldspar Igneous Rock with Arfvedsonite) — igneous

Dalmatian Jasper

Peralkaline Quartz-Feldspar Igneous Rock with Arfvedsonite

Blue Quartz (Dumortierite Quartz) (Silicon dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)) — mineral

Blue Quartz (Dumortierite Quartz)

Silicon dioxide (SiO2) with inclusions of Dumortierite (Al7BO3(SiO4)3O3)

Weathered quartz-rich pebble (Mostly microcrystalline quartz (SiO₂), possibly quartzite or chalcedony with iron-oxide staining) — mineral

Weathered quartz-rich pebble

Mostly microcrystalline quartz (SiO₂), possibly quartzite or chalcedony with iron-oxide staining

Ocean Jasper (Orbicular Jasper / Variolitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Orbicular Jasper / Variolitic Chalcedony (SiO2)

Chalcedony (Agate / Quartz Beach Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Quartz Beach Pebble)

Silicon Dioxide (SiO2)

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

White Chalcedony (Agate)

Silicon Dioxide (SiO2)

Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

Banded Agate (Microcrystalline Quartz (SiO2) with impurities) — mineral

Banded Agate

Microcrystalline Quartz (SiO2) with impurities

Chalcedony Geode Fragment (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony Geode Fragment

Microcrystalline Quartz (SiO2)

Dalmatian Stone (Dalmatian Jasper / Aplite) — igneous

Dalmatian Stone

Dalmatian Jasper / Aplite