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

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Chert

Chert

Ironstone

Ironstone

Kambaba Jasper

Kambaba Jasper

Quartzite Sandstone

Quartzite Sandstone

Diatomite

Blue Chalcedony (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

mineral
Red Jasper (Silicon Dioxide (SiO2) - variety Jasper) — mineral

Red Jasper

Silicon Dioxide (SiO2) - variety Jasper

mineral
Chert (Quartz) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Quartz)

Silicon Dioxide (SiO2)

sedimentary
Banded Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Chalcedony)

Silicon Dioxide (SiO2)

mineral
Yellow Jasper (Silicon Dioxide (SiO2) with goethite or limonite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or limonite inclusions

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

Carnelian

Carnelian (Silicon Dioxide, SiO2)

mineral
Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

sedimentary
Yellow Quartz (Citrine / Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine / Milky Quartz)

Silicon Dioxide (SiO2)

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

Red Jasper

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

sedimentary
Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Agate (Chalcedony)

Silicon Dioxide (SiO2)

mineral
Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

mineral
Quartz Geode (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

sedimentary
Carnelian (Silicon Dioxide, variety of chalcedony (SiO2)) — gemstone

Carnelian

Silicon Dioxide, variety of chalcedony (SiO2)

gemstone
Dyed Blue Agate Slice (Silicon Dioxide (SiO2) - Variety Agate) — mineral

Dyed Blue Agate Slice

Silicon Dioxide (SiO2) - Variety Agate

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

Quartz (Chalcedony)

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Red Jasper (Quartz)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

sedimentary
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

sedimentary
Zebra Stone (Banded Chert or Limestone) (Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions) — sedimentary

Zebra Stone (Banded Chert or Limestone)

Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions

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

Brown Jasper / Chert

Microcrystalline Quartz (SiO2)

sedimentary
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

sedimentary
Banded Chert / Flint Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert / Flint Pebble

Microcrystalline Quartz (SiO2)

sedimentary
Banded Agate (Cryptocrystalline Quartz (SiO2)) — sedimentary

Banded Agate

Cryptocrystalline Quartz (SiO2)

sedimentary
Jasper and Ironstone (likely Jasperized Ironstone) (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)) — sedimentary

Jasper and Ironstone (likely Jasperized Ironstone)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

sedimentary
Chert breccia (Sedimentary Breccia (Microcrystalline Quartz)) — sedimentary

Chert breccia

Sedimentary Breccia (Microcrystalline Quartz)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

sedimentary
Geode (Chert or Quartz Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Geode (Chert or Quartz Nodule)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Cryptocrystalline Quartz (SiO2)

sedimentary
Sandstone (with Iron Oxide) (Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)) — sedimentary

Sandstone (with Iron Oxide)

Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)

sedimentary
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

mineral
Agate (Silicon dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon dioxide (Chalcedony), SiO2

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

Flint

SiO2 (Microcrystalline Quartz / Chert)

sedimentary
Silicified Snail Fossil (Gastropod (likely replaced by Chalcedony/Quartz - SiO2)) — fossil

Silicified Snail Fossil

Gastropod (likely replaced by Chalcedony/Quartz - SiO2)

fossil
Chert (River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

sedimentary
Green Chalcedony Ring (Silicon Dioxide (SiO2)) — gemstone

Green Chalcedony Ring

Silicon Dioxide (SiO2)

gemstone
Yellow Jasper (SiO2 (Microcrystalline Quartz)) — mineral

Yellow Jasper

SiO2 (Microcrystalline Quartz)

mineral
Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

sedimentary