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

Banded Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (SiO2)

Tumbled red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides

Mixed tumbled stones (Mixed aggregate of quartz, chalcedony, jasper, feldspar, and other common silicate minerals) — mineral

Mixed tumbled stones

Mixed aggregate of quartz, chalcedony, jasper, feldspar, and other common silicate minerals

Jasper (Microcrystalline Quartz (SiO2)) — mineral

Jasper

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Unidentified gravel and stone fragments (Mixed, indeterminate lithologies; likely quartz, feldspar, and weathered silicate rock fragments) — sedimentary

Unidentified gravel and stone fragments

Mixed, indeterminate lithologies; likely quartz, feldspar, and weathered silicate rock fragments

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

Brown Jasper (Tumbled)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chalcedony (Yellow/Amber variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Yellow/Amber variety)

Silicon Dioxide (SiO2)

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

Chalcedony with Druzy Quartz

Silicon Dioxide (SiO2)

Quartz Geode / Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

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

Yellow Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Banded Agate (Tumbled) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate (Tumbled)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Carnelian (Tumbled Pebble) (Quartz (Variety: Carnelian, SiO2)) — gemstone

Carnelian (Tumbled Pebble)

Quartz (Variety: Carnelian, SiO2)

Chalcedony on Matrix (Silicon Dioxide (SiO2)) — mineral

Chalcedony on Matrix

Silicon Dioxide (SiO2)

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

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

Jasper

Silicon dioxide (Microcrystalline Quartz, SiO2)

Yellow Jasper (SiO2 (Microcrystalline Quartz)) — mineral

Yellow Jasper

SiO2 (Microcrystalline Quartz)

Chert (likely chalcedony-rich flint) (Microcrystalline quartz, SiO₂ (quartz/chalcedony)) — sedimentary

Chert (likely chalcedony-rich flint)

Microcrystalline quartz, SiO₂ (quartz/chalcedony)

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Chert (Field Stone) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Field Stone)

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

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

Chert Nodule / Flint

Microcrystalline Quartz (SiO2)

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

Flint / Chert

Microcrystalline quartz (SiO2)

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

Chert/Jasper

Microcrystalline Quartz (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Chert (often called Flint in archaeological contexts) (Microcrystalline or cryptocrystalline Silica (SiO2)) — sedimentary

Chert (often called Flint in archaeological contexts)

Microcrystalline or cryptocrystalline Silica (SiO2)

Flint (Chert variant) (Silica (SiO2) - Microcrystalline Quartz) — sedimentary

Flint (Chert variant)

Silica (SiO2) - Microcrystalline Quartz

Jasper (SiO2) — mineral

Jasper

SiO2

Red Jasper (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron impurities

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

Jasper / Chert / Quartzite

Microcrystalline Quartz (SiO2)

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

Brown Jasper / Chert

Microcrystalline Quartz (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Bentonite Clay (Montmorillonite silicate ((Na,Ca)0.33(Al,Mg)2Si4O10(OH)2·nH2O)) — sedimentary

Bentonite Clay

Montmorillonite silicate ((Na,Ca)0.33(Al,Mg)2Si4O10(OH)2·nH2O)

Chert (or Flint) (Chert (SiO2)) — sedimentary

Chert (or Flint)

Chert (SiO2)

Fossiliferous Sedimentary Rock (Sedimentary limestone with invertebrate fossil imprint) — fossil

Fossiliferous Sedimentary Rock

Sedimentary limestone with invertebrate fossil imprint