Jasper
Silicon dioxide (SiO2)
Category
Browse sedimentary (if natural jasper) or artificial (if slag) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Jasper (Cryptocrystalline Quartz; SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon Dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Jasper
Silicon Dioxide (SiO2) with impurities
Druzy Quartz (Botryoidal)
Silicon Dioxide (SiO2)
Limonite / Iron Oxide Concretion
Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Shale
Fissile mudstone (Shale)
Sandstone
Sandstone (clastic sedimentary rock)
Puddingstone (specifically Gowganda Tillite or Jasper Conglomerate)
Jasper Conglomerate
Puddingstone (specifically Gowganda Tillite or St. Joseph Island Puddingstone)
Jasper Conglomerate
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Flint (or Chert)
Silicon dioxide (Microcrystalline Quartz, $SiO_2$)
Chert (Flint)
Silicon Dioxide (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Kambaba Jasper
Stromatolite
Banded Iron Formation (BIF)
Banded Iron Formation containing Hematite (Fe2O3) and Jasper (SiO2)
Polished Stone Pendant (Identity Unclear)
Unknown (Possibly Jasper/Agate/Quartz mixture)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Magnetic Hematite (Man-made)
Iron Oxide (Fe2O3) with Barium-Strontium Ferrite
Pitted Sedimentary Rock / Cupstone
Sedimentary rock with weathering pit (arenite / sandstone)
Red Jasper
Microcrystalline Quartz (SiO2) with Hematite impurities
Honey Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities