Rock Identifier

Category

Sedimentary (If Natural Jasper) Or Artificial (If Slag)

Browse sedimentary (if natural jasper) or artificial (if slag) specimens identified by the Rock Identifier community.

Learn about Sedimentary (If Natural Jasper) Or Artificial (If Slag) in the encyclopedia

Kambaba Jasper

Sea Sediment Jasper

Asphalt Rock

Chert

Tripolite

Diamond

Brecciated Jasper

Brecciated Jasper

Shale (Fissile Mudstone (primarily composed of clay minerals and quartz grains)) — sedimentary

Shale

Fissile Mudstone (primarily composed of clay minerals and quartz grains)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Green Aventurine (Quartzite (Silicon Dioxide, SiO2 + Fuchsite)) — metamorphic

Green Aventurine

Quartzite (Silicon Dioxide, SiO2 + Fuchsite)

Limonite (Iron Stone/Goethite) (Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))) — mineral

Limonite (Iron Stone/Goethite)

Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))

Sandstone (Quartzose Sandstone) (Arenite (SiO2 principal component)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2 principal component)

Beach Pebble (Chert / Greywacke) (Silicon Dioxide (SiO2) / Quartz-rich Sandstone) — sedimentary

Beach Pebble (Chert / Greywacke)

Silicon Dioxide (SiO2) / Quartz-rich Sandstone

Sandstone (Ferruginous) (Arenite (Fe-rich SiO2)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich SiO2)

Ventifact (Eolian Ventifact (often composed of basalt, chert, or quartzite)) — sedimentary

Ventifact

Eolian Ventifact (often composed of basalt, chert, or quartzite)

Shale (Fissile mudrock (composed of clay-sized particles and detrital grains)) — sedimentary

Shale

Fissile mudrock (composed of clay-sized particles and detrital grains)

Jasper (Green Jasper/Heliotrope variety) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (Green Jasper/Heliotrope variety)

Silicon Dioxide (SiO2)

Shale (Lutaceous sedimentary rock) — sedimentary

Shale

Lutaceous sedimentary rock

Red Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Ventifact (Wind-abraded rock (Ventifact)) — sedimentary

Ventifact

Wind-abraded rock (Ventifact)

Sandstone (Ferruginous) (Arenite (SiO2 with Fe2O3 inclusions)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with Fe2O3 inclusions)

Red Jasper (Silicon dioxide with hematite impurities (SiO2 + Fe2O3)) — mineral

Red Jasper

Silicon dioxide with hematite impurities (SiO2 + Fe2O3)

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

Red Jasper or Ferruginous Chert

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Jasper Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper Pebble

Microcrystalline Quartz (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide impurities

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

Jasper with Iron Oxides

Silicon Dioxide (SiO2) with Fe2O3 inclusions

Red Jasper (Quartz (Silicon Dioxide) with Hematite inclusions, SiO2) — mineral

Red Jasper

Quartz (Silicon Dioxide) with Hematite inclusions, SiO2

Hag Stone (Natural Perforated Flint or Chert (SiO2)) — sedimentary

Hag Stone

Natural Perforated Flint or Chert (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Sandstone (Ferruginous) (Arenite (SiO2 with Fe-oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with Fe-oxide cement)

Banded Siltstone (Siltstone with rhythmic bedding) — sedimentary

Banded Siltstone

Siltstone with rhythmic bedding

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Red Sandstone (Arenite (primarily Quartz and Iron Oxide)) — sedimentary

Red Sandstone

Arenite (primarily Quartz and Iron Oxide)

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

Quartz (Chalcedony/Agate nodule)

Silicon dioxide (SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Chert (often colloquially called Flint)

Chert (Microcrystalline Quartz, SiO2)

Tumbled brown chalcedony (likely jasper or agate) (Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining) — mineral

Tumbled brown chalcedony (likely jasper or agate)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining

Polished orbicular jasper / brecciated jasper (Jasper, microcrystalline quartz (SiO₂), with iron-oxide and clay-rich inclusions) — sedimentary

Polished orbicular jasper / brecciated jasper

Jasper, microcrystalline quartz (SiO₂), with iron-oxide and clay-rich inclusions

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

Jasper Agate (specifically Brecciated Jasper) (Silicon Dioxide (SiO2) with iron oxide and clay impurities) — sedimentary

Jasper Agate (specifically Brecciated Jasper)

Silicon Dioxide (SiO2) with iron oxide and clay impurities

Jasper (specifically Fancy or Polychrome Jasper) (Silicon Dioxide (SiO2) - Chalcedony) — Sedimentary

Jasper (specifically Fancy or Polychrome Jasper)

Silicon Dioxide (SiO2) - Chalcedony

Red Sandstone (Arenite (Iron-rich)) — sedimentary

Red Sandstone

Arenite (Iron-rich)

Septarian Nodule (Septaria (composed of Calcite, Aragonite, and Limestone)) — sedimentary

Septarian Nodule

Septaria (composed of Calcite, Aragonite, and Limestone)

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

Black Chert (Flint)

Silicon Dioxide (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Oolitic Chert (Silicon Dioxide (SiO2) with oolitic texture) — sedimentary

Oolitic Chert

Silicon Dioxide (SiO2) with oolitic texture

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

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

Yellow Quartz (Citrine / Milky Quartz)

Silicon Dioxide (SiO2)

Polished brecciated jasper (Silicified breccia, chiefly microcrystalline quartz (SiO₂) with iron-oxide staining) — mineral

Polished brecciated jasper

Silicified breccia, chiefly microcrystalline quartz (SiO₂) with iron-oxide staining