Rock Identifier

Category

Sedimentary (Cryptocrystalline Quartz)

Browse sedimentary (cryptocrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Cryptocrystalline Quartz) in the encyclopedia

Chalcedony

Black Onyx

Quartzite Sandstone

Quartzite Sandstone

Sandstone

Landscape Agate

Landscape Agate

Tube Agate

Sweetwater Agate

Sweetwater Agate

Frost Agate

Coldwater Agate

Honey Agate

Zebra Agate

Flame Agate

Jasper (brecciated or orbicular jasper) (Microcrystalline quartz/chalcedony (SiO₂), colored by iron oxides and other impurities) — mineral

Jasper (brecciated or orbicular jasper)

Microcrystalline quartz/chalcedony (SiO₂), colored by iron oxides and other impurities

Quartz (Agate or Chert pebble) (Silicon Dioxide (SiO2)) — sedimentary

Quartz (Agate or Chert pebble)

Silicon Dioxide (SiO2)

Botryoidal Chalcedony with Iron Staining (Microcrystalline Quartz (SiO2)) — mineral

Botryoidal Chalcedony with Iron Staining

Microcrystalline Quartz (SiO2)

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

Chert (Weathered)

Chert (Microcrystalline Quartz, SiO2)

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

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

Chert (often called Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Microcrystalline Quartz, SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

Quartz (Silicon dioxide (SiO2)) — Mineral

Quartz

Silicon dioxide (SiO2)

Flint / Chert Nodules in Limestone (Cryptocrystalline Quartz (SiO2) within Carbonate Rock) — sedimentary

Flint / Chert Nodules in Limestone

Cryptocrystalline Quartz (SiO2) within Carbonate Rock

Flint (or Chert with Chalk/Limestone) (Microcrystalline quartz (SiO2) nodule) — sedimentary

Flint (or Chert with Chalk/Limestone)

Microcrystalline quartz (SiO2) nodule

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

Chert (Flint Nodules)

Chert (Microcrystalline Quartz, SiO2)

Chert (specifically Flint or Novaculite variant) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (specifically Flint or Novaculite variant)

Chert (Microcrystalline Quartz, SiO2)

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

Chert

Chert (Microcrystalline Quartz, SiO2)

Chert (often called Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Microcrystalline Quartz, SiO2)

Jasper and Agate (Polychrome Jasper / Mookaite variety) (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Agate (Polychrome Jasper / Mookaite variety)

Silicon dioxide (SiO2) microcrystalline quartz

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Jasper variety) with Iron Oxide staining (Cryptocrystalline Quartz (SiO2) with Goethite/Limonite impurities) — sedimentary

Chert (Jasper variety) with Iron Oxide staining

Cryptocrystalline Quartz (SiO2) with Goethite/Limonite impurities

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper with Quartz Veining (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Jasper with Quartz Veining

Silicon Dioxide (SiO2) with Hematite impurities

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline quartz (SiO2)

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

Chert (specifically Flint)

Microcrystalline quartz (SiO2)

Chert with Iron Staining (Microcrystalline Quartz (SiO2)) — sedimentary

Chert with Iron Staining

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/River Rock)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper)

Microcrystalline quartz (SiO2)

Polished yellow jasper or opaque chalcedony bead (Microcrystalline quartz (SiO₂), likely iron-oxide-stained jasper) — mineral

Polished yellow jasper or opaque chalcedony bead

Microcrystalline quartz (SiO₂), likely iron-oxide-stained jasper

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

Carnelian (Orange Chalcedony)

Silicon Dioxide (SiO2)

Basalt with Chert or Jasper Inclusion (Igneous basalt / sedimentary chert nodule) — igneous

Basalt with Chert or Jasper Inclusion

Igneous basalt / sedimentary chert nodule

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

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

Chalcedony / Agate

Silicon Dioxide (SiO2)

Red jasper (likely iron-rich chert) (Microcrystalline quartz (SiO₂) colored by hematite/goethite) — sedimentary

Red jasper (likely iron-rich chert)

Microcrystalline quartz (SiO₂) colored by hematite/goethite

River Jasper (Chert/Chalcedony mix) (Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions) — sedimentary

River Jasper (Chert/Chalcedony mix)

Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions

Agate (Silicon dioxide (SiO2)) — mineral

Agate

Silicon dioxide (SiO2)

Polished multicolored jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert) — mineral

Polished multicolored jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)