Rock Identifier

Category

Sedimentary (Microcrystalline Silicate)

Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Microcrystalline Silicate) in the encyclopedia

Chert

Ironstone

Kambaba Jasper

Quartzite Sandstone

Quartzite Sandstone

Diatomite

Carnelian (Carnelian (Chalcedony/Quartz, SiO2)) — mineral

Carnelian

Carnelian (Chalcedony/Quartz, SiO2)

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

Jasper Agate (Carnelian Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Chert (Nodule)

Silicon Dioxide (SiO2)

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

Chert / Microcrystalline Quartz

Silicon Dioxide (SiO2)

Yellow Jasper (Chalcedony (SiO2)) — sedimentary

Yellow Jasper

Chalcedony (SiO2)

Chert (Arrowhead Preform) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Arrowhead Preform)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Chert (Flint)

Silicon Dioxide (SiO2)

Yellow Jasper (Silicon Dioxide with Hydrous Iron Oxide (SiO2 + FeO(OH))) — sedimentary

Yellow Jasper

Silicon Dioxide with Hydrous Iron Oxide (SiO2 + FeO(OH))

Zebra Jasper (Impure variety of Silica (SiO2)) — sedimentary

Zebra Jasper

Impure variety of Silica (SiO2)

Chert (Jasper/Quartzite Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Quartzite Pebble)

Silicon Dioxide (SiO2)

Dyed Agate (Silicon Dioxide (Chalcedony with artificial colorant), SiO2) — gemstone

Dyed Agate

Silicon Dioxide (Chalcedony with artificial colorant), SiO2

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

Chert (Jasper / Flint)

Silicon Dioxide (SiO2)

Carnelian (Chalcedony) (SiO2 (Silicon Dioxide with Iron Oxide inclusions)) — mineral

Carnelian (Chalcedony)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Yellow Jasper Pebble (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Yellow Jasper Pebble

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

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

Red Jasper (with Hematite inclusions)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Yellow Jasper (Chalcedony (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

Chalcedony (SiO2) with iron oxide inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)

Tumbled orange chalcedony (likely carnelian) (Cryptocrystalline quartz, SiO₂; carnelian is orange-red chalcedony colored mainly by iron oxides) — gemstone

Tumbled orange chalcedony (likely carnelian)

Cryptocrystalline quartz, SiO₂; carnelian is orange-red chalcedony colored mainly by iron oxides

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Carnelian (Carnelian (Cryptocrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Banded Black Agate (Silicon Dioxide (SiO2)) — mineral

Banded Black Agate

Silicon Dioxide (SiO2)

Chert Nodules or Concretion (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Nodules or Concretion

Cryptocrystalline Quartz (SiO2)

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

Red Jasper

SiO2 (Silicon Dioxide) with Iron Oxide inclusions

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

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Jasper River Pebble (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Jasper River Pebble

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Green Chert (Silicon Dioxide (SiO2)) — sedimentary

Green Chert

Silicon Dioxide (SiO2)

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

Chert (Flint/Jasper variety)

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Petrified Wood (Silicified wood (primarily SiO2)) — metamorphic

Petrified Wood

Silicified wood (primarily SiO2)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Jasper (specifically Yellow or Brown Jasper) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (specifically Yellow or Brown Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Jasper (Silicon Dioxide (SiO2) with impure Iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with impure Iron inclusions