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

Picture Jasper (SiO2 (Impure Microcrystalline Quartz)) — sedimentary

Picture Jasper

SiO2 (Impure Microcrystalline Quartz)

Chert (Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

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

Chalcedony on Matrix

Silicon Dioxide (SiO2)

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

Chert/Flint Nodule

Microcrystalline Quartz (SiO2)

Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Flint

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Banded Chert / Mookaite Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert / Mookaite Jasper

Microcrystalline Quartz (SiO2)

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

Yellow Chert Pebble

Microcrystalline Quartz (SiO2)

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

Red Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (River Pebble) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline quartz (SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Chert Nodules (Limonitic Chert) (Cryptocrystalline Quartz (SiO2) with Hydrated Iron Oxides) — sedimentary

Chert Nodules (Limonitic Chert)

Cryptocrystalline Quartz (SiO2) with Hydrated Iron Oxides

Jasper (Silicon Dioxide (Microcrystalline Quartz)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz)

Moss Agate Sphere (Silicon Dioxide (SiO2) with inclusions) — mineral

Moss Agate Sphere

Silicon Dioxide (SiO2) with inclusions

Jasper (specifically Polychrome or Desert Jasper) (Silicon Dioxide (SiO2) with iron oxide and other mineral impurities) — sedimentary (chemical/biological origin)

Jasper (specifically Polychrome or Desert Jasper)

Silicon Dioxide (SiO2) with iron oxide and other mineral impurities

sedimentary (chemical/biological origin)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (and Chert Geode) (Silicon Dioxide (SiO2)) — sedimentary

Chert (and Chert Geode)

Silicon Dioxide (SiO2)

Chalcedony with Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Chalcedony with Druzy Quartz

Silicon Dioxide (SiO2)

Banded Chert (Iron-stained) (Microcrystalline Quartz (SiO2) with Iron Oxides) — sedimentary

Banded Chert (Iron-stained)

Microcrystalline Quartz (SiO2) with Iron Oxides

Banded Chert (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Banded Chert

Silicon dioxide (SiO2) - Microcrystalline Quartz

Yellow Jasper (Jasper (variety of Quartz - SiO2)) — sedimentary

Yellow Jasper

Jasper (variety of Quartz - SiO2)

Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Flint (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Flint

Silicon dioxide (SiO2) - Microcrystalline Quartz

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone. (SiO2 (Silicon Dioxide)) — Mineral or Sedimentary (if chert)

Quartz or possibly Jasper/Chert. Looks like a tumbled or water-worn stone.

SiO2 (Silicon Dioxide)

Mineral or Sedimentary (if chert)

Chert Pebble/Nodule (Chert (a microcrystalline or cryptocrystalline sedimentary form of quartz, SiO2)) — Sedimentary

Chert Pebble/Nodule

Chert (a microcrystalline or cryptocrystalline sedimentary form of quartz, SiO2)

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

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Chert (and Flint) (Silicon dioxide (SiO2) - Microcrystalline or Cryptocrystalline Quartz) — sedimentary

Chert (and Flint)

Silicon dioxide (SiO2) - Microcrystalline or Cryptocrystalline Quartz

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Chert (River Pebble) (Microcrystalline silicon dioxide (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline silicon dioxide (SiO2)

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

Chert (Flint Nodules)

Silicon Dioxide (SiO2)

Fossil Coral (Rugosa or Tabulata / Hexacorallia (replaced with silica or calcite)) — fossil

Fossil Coral

Rugosa or Tabulata / Hexacorallia (replaced with silica or calcite)

Petrified Wood (Silicified wood (Quartz/Chalcedony)) — Sedimentary

Petrified Wood

Silicified wood (Quartz/Chalcedony)

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

Red Jasper with Quartz Vein

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Chalcedony (Carnelian Agate) (Cryptocrystalline quartz (SiO2) with Iron Oxide inclusions) — sedimentary

Chalcedony (Carnelian Agate)

Cryptocrystalline quartz (SiO2) with Iron Oxide inclusions

Heliotrope (Bloodstone) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)) — mineral

Heliotrope (Bloodstone)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)

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

Yellow Jasper

Cryptocrystalline Quartz (SiO2 with iron oxide inclusions)

Fairburn Agate (Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz) — sedimentary

Fairburn Agate

Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz

Heliotrope (Bloodstone) Sphere (Cryptocrystalline Quartz (SiO2 with Iron Oxide inclusions)) — sedimentary

Heliotrope (Bloodstone) Sphere

Cryptocrystalline Quartz (SiO2 with Iron Oxide inclusions)

Yellow Chert (Yellow Jasper) (Cryptocrystalline Quartz (SiO2) with Goethite/Limonite inclusions) — sedimentary

Yellow Chert (Yellow Jasper)

Cryptocrystalline Quartz (SiO2) with Goethite/Limonite inclusions

Chert (and its variety Flint) (Silicon Dioxide (SiO2) - Microcrystalline or cryptocrystalline Quartz) — sedimentary

Chert (and its variety Flint)

Silicon Dioxide (SiO2) - Microcrystalline or cryptocrystalline Quartz