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

Jasper or Agate pendant (Silicon dioxide (SiO2)) — Mineral

Jasper or Agate pendant

Silicon dioxide (SiO2)

Red jasper (Jasper (microcrystalline quartz, SiO₂), iron-oxide-rich variety) — mineral

Red jasper

Jasper (microcrystalline quartz, SiO₂), iron-oxide-rich variety

Quartz Druzy (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Druzy

Crystalline Silicon Dioxide (SiO2)

Shale (Fissile Mudstone) — sedimentary

Shale

Fissile Mudstone

Red Jasper (possibly Agatized Jasper) (Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)) — sedimentary

Red Jasper (possibly Agatized Jasper)

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

Shale (Sedimentary rock composed of clay minerals and quartz) — sedimentary

Shale

Sedimentary rock composed of clay minerals and quartz

Opalite (Synthetic Glass (Simulated Moonstone/Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Moonstone/Opal)

Red Jasper (Jasper (a variety of Quartz, SiO2)) — Mineral

Red Jasper

Jasper (a variety of Quartz, SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Shale (sub-type: Carbonaceous Shale) (Lutaceous Sedimentary Rock) — sedimentary

Shale (sub-type: Carbonaceous Shale)

Lutaceous Sedimentary Rock

Jasper or Chalcedony (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper or Chalcedony

Microcrystalline Quartz (SiO2)

Quartz (River Pebble) (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz (River Pebble)

Quartz (SiO₂ - Silicon Dioxide)

Jasper with Quartz Veining (Silicon Dioxide (SiO2) with impurities such as Fe2O3) — sedimentary

Jasper with Quartz Veining

Silicon Dioxide (SiO2) with impurities such as Fe2O3

Shale (Clastic sedimentary rock (primarily clay and silt minerals)) — sedimentary

Shale

Clastic sedimentary rock (primarily clay and silt minerals)

Mixed Rock and Mineral Collection (Mixed Assemblage (includes Quartz, Jasper, Feldspar, and Turquoise-colored stones)) — mineral

Mixed Rock and Mineral Collection

Mixed Assemblage (includes Quartz, Jasper, Feldspar, and Turquoise-colored stones)

Leopard Skin Jasper (Microcrystalline Quartz (SiO2) with mineral impurities) — sedimentary

Leopard Skin Jasper

Microcrystalline Quartz (SiO2) with mineral impurities

Chert (var. Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (var. Jasper)

Microcrystalline Quartz (SiO2)

Yellow jasper (likely ocean jasper or brecciated jasper) (Jasper, microcrystalline quartz (SiO₂) with iron-oxide staining and dark mineral veins) — mineral

Yellow jasper (likely ocean jasper or brecciated jasper)

Jasper, microcrystalline quartz (SiO₂) with iron-oxide staining and dark mineral veins

Banded Sandstone (Liesegang Rings) (Arenite with Liesegang rings (SiO2/Fe2O3)) — sedimentary

Banded Sandstone (Liesegang Rings)

Arenite with Liesegang rings (SiO2/Fe2O3)

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

Yellow Quartz (Citrine Quartz / Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Smoky Quartz / Calcite) (SiO2 (Silicon Dioxide)) — mineral

Quartz (Smoky Quartz / Calcite)

SiO2 (Silicon Dioxide)

Sandstone (Arenite (clastic sedimentary rock)) — sedimentary

Sandstone

Arenite (clastic sedimentary rock)

Yellow Jasper (Silicon dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon dioxide (SiO2)

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

Brown Jasper / Chert

Microcrystalline Quartz (SiO2)

Waterworn Pebble / Quartzite (Metamorphic/Sedimentary rock fragment) — sedimentary

Waterworn Pebble / Quartzite

Metamorphic/Sedimentary rock fragment

River Pebbles / Mudstone (Sedimentary Rock / Silty Claystone) — sedimentary

River Pebbles / Mudstone

Sedimentary Rock / Silty Claystone

Ironstone Pebble (Sedimentary ironstone / Hematitic Sandstone) — sedimentary

Ironstone Pebble

Sedimentary ironstone / Hematitic Sandstone

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Sandstone (Sandstone (clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock)

Black Opal (Amorphous hydrated silica (SiO2 nH2O)) — mineral

Black Opal

Amorphous hydrated silica (SiO2 nH2O)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Hag Stone (Calcareous sedimentary rock (often Chert, Flint, or Limestone)) — sedimentary

Hag Stone

Calcareous sedimentary rock (often Chert, Flint, or Limestone)

Sandstone (Arenite (clastic sedimentary rock)) — sedimentary

Sandstone

Arenite (clastic sedimentary rock)

River Pebble (Greywacke / Basalt Pebble) (Indeterminate Rounded Pebble (composed of quartz, feldspar, or mafic minerals)) — sedimentary

River Pebble (Greywacke / Basalt Pebble)

Indeterminate Rounded Pebble (composed of quartz, feldspar, or mafic minerals)

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — gemstone

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Jasper and Chalcedony Composite (Silicon Dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Chalcedony Composite

Silicon Dioxide (SiO2) microcrystalline quartz

Tumbled yellow chalcedony (likely citrine or yellow jasper) (Microcrystalline quartz, SiO₂; exact identification is uncertain from the photograph) — mineral

Tumbled yellow chalcedony (likely citrine or yellow jasper)

Microcrystalline quartz, SiO₂; exact identification is uncertain from the photograph