Jasper
Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (imitation) specimens identified by the Rock Identifier community.
Jasper
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained or Jasperoid)
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2)
Travertine
Travertine (CaCO3 - Calcium Carbonate)
Dragon Blood Jasper
Epidote-containing Quartz and Chlorite (SiO2 + (Ca2(Al, Fe)3(SiO4)3(OH)))
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Red Jasper
Silicon dioxide (microcrystalline quartz with iron oxide inclusions), SiO2
Fossilized Turritella Gastropod (Internal Mold)
Turritella (Fossil Gastropod Crust)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Jasper with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Red Jasper (nodule)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Chert / Chalcedony (likely carnelian or flint variety)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Agate (specifically Chalcedony/Banded Agate)
Silicon Dioxide (SiO2)
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) with Quartz crystals
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (White Chert)
Silicon Dioxide (SiO2)
Chert (with Iron Staining)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Puddingstone
Conglomerate
Red Jasper (possibly Carnelian)
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Petrified Wood
Silicified wood (Quartz/Chalcedony)
Chert (Yellow/Tan)
Microcrystalline Quartz (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
Oolitic Chert
Ooidal Microcrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)
Jasper
Jasper (Silica/Silicon Dioxide, SiO2)
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)