Banded Iron Formation (BIF)
Banded Iron Formation (SiO2 + Fe2O3/Fe3O4)
sedimentary
Category
Sedimentary (Jasper), Mineral (Aquamarine)
Browse sedimentary (jasper), mineral (aquamarine) specimens identified by the Rock Identifier community.
Banded Iron Formation (BIF)
Magnetite-hematite-chert formation
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert (Jasper-bearing)
Microcrystalline silica (SiO2) with iron oxide inclusions
sedimentary
Shiva Lingam
Cryptocrystalline Quartz (Jasproid/Chalcedony mix)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
sedimentary
Red Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
sedimentary
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
sedimentary
Brecciated Jasper
Silicon Dioxide (SiO2) with varying mineral inclusions (Iron Oxide, Hematite, Clay)
sedimentary (clastic/chemical)
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (Siliceous Sedimentary Rock)
sedimentary
Kambaba Jasper (Crocodile Jasper)
Stromatolite (Fossilized Algae within Microcrystalline Quartz), SiO2
sedimentary
Ocean Jasper (Orbicular Jasper)
Spherulitic Chalcedony (SiO2)
sedimentary
Jasper (Imperial Jasper style)
Silicon Dioxide (SiO2) with impurities
sedimentary
Chert (Flint variety)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Chert (Jasper/Opaline variety)
Silicon Dioxide (SiO2)
sedimentary
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
sedimentary
Chert (Flint Pebbles)
Microcrystalline quartz (SiO2)
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2
sedimentary
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
sedimentary
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide impurities, SiO2)
sedimentary
Ocean Jasper (Orbicular Jasper)
Spherulitic Chalcedony/Rhyolite (SiO2)
mineral
Chert / Jasper
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper with Dendritic Inclusions
Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper-rich)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Red Jasper (possibly Orbicular)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (often called Flint when dark)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (variations include Flint/Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Jasper / Chert (River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Ferric Iron inclusions
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Jasper (likely Lake Superior Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary (silica-rich mineral variety)
Chert (Jasper-like)
SiO2 (Cryptocrystalline Quartz)
Sedimentary