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

Jasper (Silicon Dioxide (Microcrystalline Quartz / Chalcedony)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz / Chalcedony)

Red Jasper (SiO2 (Microcrystalline Quartz)) — sedimentary

Red Jasper

SiO2 (Microcrystalline Quartz)

Yellow Jasper (Cryptocrystalline Quartz (SiO2)) — sedimentary

Yellow Jasper

Cryptocrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Carnelian

Silicon Dioxide (Quartz variety, SiO2)

Fossilized Shark Tooth (likely Sand Tiger Shark) (Carcharias taurus (fossilized hydroxyapatite/calcium phosphate)) — fossil

Fossilized Shark Tooth (likely Sand Tiger Shark)

Carcharias taurus (fossilized hydroxyapatite/calcium phosphate)

Chert / Jasper (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Jasper

Sedimentary Cryptocrystalline Quartz (SiO2)

Chalcedony (Agate/Seashell replacement) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony (Agate/Seashell replacement)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Fossil Coral (Scleractinia (Fossilized Hexacoral)) — fossil

Fossil Coral

Scleractinia (Fossilized Hexacoral)

Green Onyx (Agate) (Silicon Dioxide (SiO2)) — sedimentary

Green Onyx (Agate)

Silicon Dioxide (SiO2)

Jasper (Iron-stained) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained)

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Jasper with Iron Oxides (Silicon Dioxide (SiO2) with Fe2O3 inclusions) — sedimentary

Jasper with Iron Oxides

Silicon Dioxide (SiO2) with Fe2O3 inclusions

Blue Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Chalcedony

Cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Pink Opal (Hydrated silica (SiO2 "n H2O)) — mineral

Pink Opal

Hydrated silica (SiO2 "n H2O)

Chert (Chalcedony/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Agate variety)

Microcrystalline Quartz (SiO2)

Yellow Jasper (Chert) (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper (Chert)

Silicon Dioxide (SiO2) with iron inclusions

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert (Yellow Jasper variant) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Yellow Jasper variant)

Microcrystalline quartz (SiO2)

Geode (Quartz / Chalcedony nodule) — sedimentary

Geode

Quartz / Chalcedony nodule

Quartz (Milky/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Chalcedony variety)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chalcedony (Moonstone variant or White Agate) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Moonstone variant or White Agate)

Silicon Dioxide (SiO₂)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Quartz (Chalcedony/Agate nodule) (Silicon dioxide (SiO2)) — mineral

Quartz (Chalcedony/Agate nodule)

Silicon dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

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

Riverstone Jasper (Chert variant)

Silicon Dioxide (SiO2)

Picture Jasper (Opaque microcrystalline quartz (SiO2 with iron oxide impurities)) — sedimentary

Picture Jasper

Opaque microcrystalline quartz (SiO2 with iron oxide impurities)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Red Jasper (possibly banded Jaspilite) (Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)) — sedimentary

Red Jasper (possibly banded Jaspilite)

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

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

Banded Jasper (Mookaite / Chert)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Red Chert (Jasper)

Microcrystalline Quartz (SiO2)

Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide (Fe2O3) inclusions

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

Chert (Jasper/Agate variety)

Silicon Dioxide (SiO2)

Chert / Flint Pebble (Chert (SiO2)) — sedimentary

Chert / Flint Pebble

Chert (SiO2)

Chert / Jasper / Agate (Chalcedony Group) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Jasper / Agate (Chalcedony Group)

Microcrystalline Quartz (SiO2)

Milky quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)