Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Category
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Green Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Sandstone (Quartz-rich)
Arenite (Quartz Arenite)
Quartzite with inclusions
Quartzite (primarily SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Sandstone
Arenite (primarily composed of SiO2)
Sandstone (Pebble/Cobble)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone
Arenite (SiO2 primarily)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 dominated)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains, primarily SiO2)
Sandstone (Quartz-rich)
Arenite (composed primarily of SiO2)
Basalt with Quartz/Plagioclase Inclusions
Mafic volcanic rock (Basaltic)
Sandstone
Arenite (primarily SiO2)
Red Sandstone (Iron-stained)
Clastic sedimentary rock (primarily Quartz with Iron Oxides)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Coprolite
Coprolite (fossilized feces)
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Biotite Schist with Garnet
Garnet-Biotite Schist
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Red Jasper (Beach Pebble)
SiO2 (Microcrystalline Quartz with Hematite inclusions)
Red Jasper (Brecciated Jasper)
SiO2 (Silicon Dioxide) with Ferric Iron inclusions
Sandstone
Arenite
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
Milky Quartz Geode or Druzy Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz (Red Quartz)
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Sandstone (Quartz-rich)
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Quartz Druzy Geode Fragment
Silicon Dioxide (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (with Iron Staining)
Arenite (SiO2 predominantly)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Tree Agate
Silicon Dioxide (SiO2) - Dendritic Agate/Chalcedony