Rock Identifier

Category

Sedimentary (Formed From Silica Deposits)

Browse sedimentary (formed from silica deposits) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Formed From Silica Deposits) in the encyclopedia

Geyserite

Quartzite Sandstone

Quartzite Sandstone

Turbidite

Kambaba Jasper

Tripolite

Sinter

Loess

Ignimbrite

Quartzite

Chert

Coal

Silcrete

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Jasper (Red/Brown Variety) (Jasper (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper (Red/Brown Variety)

Jasper (Microcrystalline Quartz, SiO2)

Chert (Chert (SiO2)) — sedimentary

Chert

Chert (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Chert (Common Opal/Chalcedony variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Common Opal/Chalcedony variety)

Microcrystalline Quartz (SiO2)

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

Red Jasper

Silicon Dioxide (Microcrystalline Quartz), SiO2

Iron-Stained Quartz (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Iron-Stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide impurities

Brecciated Chert (Silicon Dioxide (SiO2)) — sedimentary

Brecciated Chert

Silicon Dioxide (SiO2)

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

Red Jasper

SiO2 (Silicon Dioxide) with Iron oxides

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Ferric Iron inclusions

Puddingstone (Quartzite Pebble) (Metaconglomerate / Jasper-Quartzite Pebble) — sedimentary

Puddingstone (Quartzite Pebble)

Metaconglomerate / Jasper-Quartzite Pebble

Chert (often called Flint) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint)

Cryptocrystalline Quartz (SiO2)

Fossilized Shark Tooth (Chondrichthyes (class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (class)

Chert (and Fossilized Brachiopod shell) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (and Fossilized Brachiopod shell)

Sedimentary Cryptocrystalline Quartz (SiO2)

White Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Silicon Dioxide (SiO2)

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

Red Jasper

Red Jasper (Silicon Dioxide - SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (Quartz variety), SiO2) — mineral

Red Jasper

Silicon Dioxide (Quartz variety), SiO2

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

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

Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Agatized Chert / Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Agatized Chert / Chalcedony

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide) - SiO2

Chert (Chert Nodule in Limestone Host) (Chert (SiO2)) — sedimentary

Chert (Chert Nodule in Limestone Host)

Chert (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with hematite inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Fossil oyster shell (Exogyra sp. or a related fossil oyster; largely calcitic shell (CaCO₃)) — fossil

Fossil oyster shell

Exogyra sp. or a related fossil oyster; largely calcitic shell (CaCO₃)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (including Common Opal and Chalcedony) (Silicon Dioxide (SiO2 · nH2O)) — sedimentary

Chert (including Common Opal and Chalcedony)

Silicon Dioxide (SiO2 · nH2O)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert (Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Raw Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Raw Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

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

Red Jasper

Red Jasper (SiO2) with Hematite inclusions

Red Jasper (Jasper (Silicon Dioxide Si₂O₃)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide Si₂O₃)

Black-and-white jasper (Jasper, microcrystalline quartz (SiO₂), with contrasting white mineral inclusions) — metamorphic

Black-and-white jasper

Jasper, microcrystalline quartz (SiO₂), with contrasting white mineral inclusions

White Quartz (Milky Quartz) (Quartz (Silicon Dioxide - SiO2)) — mineral

White Quartz (Milky Quartz)

Quartz (Silicon Dioxide - SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Fossilized Bone Fragment (Vertebrate Fossil Material (Apatite/Calcium Phosphate)) — fossil

Fossilized Bone Fragment

Vertebrate Fossil Material (Apatite/Calcium Phosphate)

Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)