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 with Druzy Quartz and Mossy/Iron Inclusions (Microcrystalline Quartz (SiO2)) — sedimentary

Chert with Druzy Quartz and Mossy/Iron Inclusions

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — mineral

Jasper

Silicon dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — gemstone

Jasper

Microcrystalline Quartz (SiO2)

Quartz (Agate/Jasper pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Agate/Jasper pebble)

Silicon Dioxide (SiO2)

Opal (Hydrated amorphous silica (SiO2·nH2O)) — mineral

Opal

Hydrated amorphous silica (SiO2·nH2O)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Jasper (Jasper (Cryptocrystalline Quartz; SiO2)) — sedimentary

Jasper

Jasper (Cryptocrystalline Quartz; SiO2)

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

Red Jasper

SiO2 (Silicon Dioxide with Hematite inclusions)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chert (or Flint) (Chert (cryptocrystalline quartz), SiO2) — Sedimentary

Chert (or Flint)

Chert (cryptocrystalline quartz), SiO2

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

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Red Jasper (Jasper) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper (Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Glauconitic Sandstone (Glauconitic Sandstone (Greensand)) — sedimentary

Glauconitic Sandstone

Glauconitic Sandstone (Greensand)

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

Chert (Carnelian/Jasper variety)

Microcrystalline Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Chert (Flint variety)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Rounded brown pebble, likely chert or iron-stained quartzite (Chert (microcrystalline quartz, SiO₂) or quartzite (recrystallized quartz, SiO₂)) — sedimentary

Rounded brown pebble, likely chert or iron-stained quartzite

Chert (microcrystalline quartz, SiO₂) or quartzite (recrystallized quartz, SiO₂)

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

Chert (Flint Gravel)

Microcrystalline Quartz (SiO2)

Carnelian / Chalcedony (Silicon Dioxide (SiO2)) — mineral

Carnelian / Chalcedony

Silicon Dioxide (SiO2)

Conglomerate (Clast-supported polymictic conglomerate) — sedimentary

Conglomerate

Clast-supported polymictic conglomerate

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Black Opal (Amorphous hydrated silica (SiO2 nH2O)) — mineral

Black Opal

Amorphous hydrated silica (SiO2 nH2O)

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

Tumbled Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chalcedony Pebble (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony Pebble

Cryptocrystalline Quartz (SiO2)

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

Jasper

Silicon Dioxide (SiO2) with impurities

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

Chert / Jasper

Microcrystalline Quartz (SiO2)

Chert with Chalcedony/Quartz Vug (Cryptocrystalline Silica (SiO2)) — sedimentary

Chert with Chalcedony/Quartz Vug

Cryptocrystalline Silica (SiO2)

Yellow Jasper (Chert variant) (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper (Chert variant)

Silicon Dioxide (SiO2)

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

Yellow Chalcedony / Carnelian

Silicon Dioxide (SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

Chert (often called Flint or Jasper based on color) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (often called Flint or Jasper based on color)

Microcrystalline Silica (SiO2)

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

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Jasper (Chert)

Silicon Dioxide (SiO2) with iron oxide impurities

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)