Jasper
Silicon dioxide (SiO2)
sedimentary
Category
Industrial Byproduct (Anthropogenic Rock Like Material)
Browse industrial byproduct (anthropogenic rock like material) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
sedimentary
Quartzite River Stone
Quartzite (primarily SiO2)
metamorphic
Sandstone
Arenite
sedimentary
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Basalt
Mafic Igneous Rock
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Limonite (Iron Ore)
Limonite (Hydrous iron(III) oxide-hydroxide mixture, FeO(OH)·nH2O)
mineral
Chert (often called Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O
mineral
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
sedimentary
Chert (Banded)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Granite
Phaneritic intrusive igneous rock (consisting mainly of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Sandstone (Glacial Cobble)
Arenite / Sedimentary Rock (primarily SiO2)
sedimentary
Greenstone
Metabasalt (Greenstone Facies)
metamorphic
Anthracite Coal
Anthracite (Carbon-rich metamorphic sedimentary rock)
sedimentary
Greenschist
Greenschist facies rock (containing chlorite, actinolite, and epidote)
metamorphic
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Yellow Quartzite (River Pebble)
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Fossiliferous Limestone
Fossiliferous Calclutite / Bio-calcarenite (CaCO3)
sedimentary
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Thunderegg (specifically a Jasper/Agate-filled Geode nodule)
Silicon Dioxide (SiO2) within Rhyolitic Matrix
igneous
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)
sedimentary
Diamond
Diamond (Pure Carbon, C)
Mineral
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
sedimentary
Sandstone (likely Fossiliferous)
Arenite / Sedimentum arenaceum
sedimentary
Chert / Flint Nodules in Sandstone
Microcrystalline Quartz (SiO2) within Clastic Sedimentary Rock
sedimentary
Quartz Pebble (Geode-like)
Silicon Dioxide (SiO2)
Mineral
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
metamorphic
Sandstone (Iron-stained)
Clastic sedimentary rock (SiO2 with Fe2O3 staining)
sedimentary
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
sedimentary
Red Sandstone
Clastic Terrigenous Sedimentary Rock (composed mostly of SiO2 with Fe2O3)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variety)
Silicon dioxide (SiO2)
sedimentary
Chert (specifically Flint or Jasper-Chert)
Silicon Dioxide (SiO2)
sedimentary
Puddingstone (Conglomerate)
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone (with Liesegang rings or Oxidation)
Arenite (primarily Quartz SiO2 with Iron Oxide Fe2O3 staining)
sedimentary