Rock Identifier

Category

Sedimentary (Cryptocrystalline Quartz)

Browse sedimentary (cryptocrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Cryptocrystalline Quartz) in the encyclopedia

Chalcedony

Black Onyx

Quartzite Sandstone

Quartzite Sandstone

Sandstone

Landscape Agate

Landscape Agate

Tube Agate

Sweetwater Agate

Sweetwater Agate

Frost Agate

Coldwater Agate

Honey Agate

Zebra Agate

Flame Agate

Zebra Jasper (Silicon dioxide (SiO2) with various impurities) — Sedimentary

Zebra Jasper

Silicon dioxide (SiO2) with various impurities

Green Jasper (Microcrystalline Quartz (SiO2) with inclusions) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2) with inclusions

Chert (often referred to as Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (often referred to as Flint)

Chert (Microcrystalline Quartz, SiO2)

Chert (Flint variety) (Microcrystalline context of Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline context of Quartz (SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Red Jasper with Quartz Veining (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Red Jasper with Quartz Veining

Jasper (Silicon Dioxide, SiO2)

Chert (Jasper/Limonitic Chert) (Cryptocrystalline Quartz (SiO2) with Iron Oxide (FeO(OH)) inclusions) — sedimentary

Chert (Jasper/Limonitic Chert)

Cryptocrystalline Quartz (SiO2) with Iron Oxide (FeO(OH)) inclusions

Fancy Jasper (Cryptocrystalline Quartz (SiO2) with iron oxide inclusions) — mineral

Fancy Jasper

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

Banded Agate (Silicon dioxide (SiO2)) — mineral

Banded Agate

Silicon dioxide (SiO2)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Chert (with Epidote/Quartz veining) (Cryptocrystalline silica (SiO2) with Epidote/Quartz inclusions) — sedimentary

Chert (with Epidote/Quartz veining)

Cryptocrystalline silica (SiO2) with Epidote/Quartz inclusions

Bloodstone (Heliotrope (cryptocrystalline Quartz, SiO2 with inclusions of Hematite)) — sedimentary

Bloodstone

Heliotrope (cryptocrystalline Quartz, SiO2 with inclusions of Hematite)

Jasp-Agate (Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions) — sedimentary

Jasp-Agate

Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions

Red Chert (Jasper) (Cryptocrystalline Quartz (SiO2) with iron oxide inclusions) — sedimentary

Red Chert (Jasper)

Cryptocrystalline Quartz (SiO2) with iron oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Siliceous Siltstone/Quartzite) (Silicon dioxide (SiO2)) — sedimentary

Chert (Siliceous Siltstone/Quartzite)

Silicon dioxide (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Chalcedony (Agate Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2)

Tumbled jasper or brecciated jasper (Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide and dark mineral inclusions) — mineral

Tumbled jasper or brecciated jasper

Microcrystalline quartz (chalcedony), SiO₂, with iron-oxide and dark mineral inclusions

Chert (Quartz Variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Quartz Variety)

Silicon Dioxide (SiO2)

Cryptocrystalline Quartz (Agate/Chert) (Silicon dioxide (SiO2)) — sedimentary

Cryptocrystalline Quartz (Agate/Chert)

Silicon dioxide (SiO2)

Chert with Quartz Vein (Silicon dioxide (SiO2)) — sedimentary

Chert with Quartz Vein

Silicon dioxide (SiO2)

Agate (Chalcedony) (Cryptocrystalline Silica or Silicon Dioxide (SiO2)) — mineral

Agate (Chalcedony)

Cryptocrystalline Silica or Silicon Dioxide (SiO2)

Chert with Limestone (Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) Matrix) — sedimentary

Chert with Limestone

Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) Matrix

Chalcedony (Agate/Blue Quartzite) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Blue Quartzite)

Silicon Dioxide (SiO2)

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

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

Jasper (with Manganese or Iron inclusions) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (with Manganese or Iron inclusions)

Silicon Dioxide (SiO2)

Jasper and Quartz conglomerate (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper and Quartz conglomerate

Silicon Dioxide (SiO2) with iron oxide impurities

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

Agate Geode (Silicon Dioxide (SiO2) - Banded Chalcedony) — mineral

Agate Geode

Silicon Dioxide (SiO2) - Banded Chalcedony

Pink Dyed Agate (Pink Agate Slice) (Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz) — mineral

Pink Dyed Agate (Pink Agate Slice)

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Brown Pebble (River Rock) (Indeterminate (Likely Silicon Dioxide / Quartz-rich)) — sedimentary

Brown Pebble (River Rock)

Indeterminate (Likely Silicon Dioxide / Quartz-rich)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert / Microcrystalline Quartz (Chert (SiO2)) — sedimentary

Chert / Microcrystalline Quartz

Chert (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Chert Pebble (Beach Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble (Beach Pebble)

Microcrystalline Quartz (SiO2)

Chert or chalcedony fragment (Microcrystalline quartz (SiO₂), possibly jasper or agate) — sedimentary

Chert or chalcedony fragment

Microcrystalline quartz (SiO₂), possibly jasper or agate

Leopard Skin Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Leopard Skin Jasper

Silicon Dioxide (SiO2) with mineral inclusions