Rock Identifier

Category

Sedimentary Rock (Technically A Variety Of Chalcedony)

Browse sedimentary rock (technically a variety of chalcedony) specimens identified by the Rock Identifier community.

Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Bauxite (Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)) — sedimentary

Bauxite

Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)

Conglomerate (River Rock Aggregate) (Conglomerate (Lithic-clast conglomerate)) — sedimentary

Conglomerate (River Rock Aggregate)

Conglomerate (Lithic-clast conglomerate)

Red Jasper (Quartz (Silicon Dioxide) with Hematite inclusions, SiO2) — mineral

Red Jasper

Quartz (Silicon Dioxide) with Hematite inclusions, SiO2

Dyed Pink Agate (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Dyed Pink Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Green Calcite (Onyx Marble) (Calcium Carbonate (CaCO3)) — mineral

Green Calcite (Onyx Marble)

Calcium Carbonate (CaCO3)

Carnelian (Carnelian (variety of Chalcedony, SiO2)) — mineral

Carnelian

Carnelian (variety of Chalcedony, SiO2)

Tumbled Green Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Tumbled Green Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Carnelian (Carnelian (variety of Chalcedony, SiO2)) — mineral

Carnelian

Carnelian (variety of Chalcedony, SiO2)

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

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Chert (Honey Chert or Chalcedony Pebble) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Honey Chert or Chalcedony Pebble)

Cryptocrystalline Quartz (SiO2)

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

White Agate (Chalcedony)

Agate (Silicon Dioxide - SiO2)

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

Yellow Agate / Chalcedony

Silicon Dioxide (SiO2)

Blue Lace Agate (Polished Point) (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Blue Lace Agate (Polished Point)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Agate Geode (Silicon Dioxide (SiO2)) — mineral

Agate Geode

Silicon Dioxide (SiO2)

Red Jasper (with inclusions) (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper (with inclusions)

Silicon Dioxide (SiO2) with Hematite impurities

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Green Jasper (Silicon Dioxide (SiO2) with impurities of iron(II) silicate) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with impurities of iron(II) silicate

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Brown Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities

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

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Fancy Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Fancy Jasper

Silicon Dioxide (SiO2) with mineral inclusions

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

Chalcedony Nodule in Matrix

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Purple Dyed Agate Geode (Banded Chalcedony) (Silicon Dioxide (SiO2) - variety: Agate) — mineral

Purple Dyed Agate Geode (Banded Chalcedony)

Silicon Dioxide (SiO2) - variety: Agate

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

Agate

Silicon Dioxide (SiO2) - Chalcedony variety

Brown Jasper (Silicon Dioxide (SiO2)) — sedimentary

Brown Jasper

Silicon Dioxide (SiO2)

Red Jasper (River Stone) (Jasper (Silicon Dioxide, SiO2 plus iron oxide inclusions)) — sedimentary

Red Jasper (River Stone)

Jasper (Silicon Dioxide, SiO2 plus iron oxide inclusions)

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2) — Mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Dalmatian Stone (Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)) — igneous

Dalmatian Stone

Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper) (Chalcedony (SiO₂)) — Mineral (or mineraloid if microcrystalline)

Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)

Chalcedony (SiO₂)

Mineral (or mineraloid if microcrystalline)

Smoky Quartz and Chalcedony Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz and Chalcedony Geode Fragment

Silicon Dioxide (SiO2)

Rainbow Moonstone with Black Tourmaline (White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Rainbow Moonstone with Black Tourmaline

White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Kambaba Jasper (Stromatolite (Fossilized Algae)) — sedimentary

Kambaba Jasper

Stromatolite (Fossilized Algae)

Dalmatian Stone (Dalmatian Jasper (Aplitic Perthite)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Perthite)