Banded Iron Formation (BIF)
Banded Iron Formation (composed primarily of Hematite [Fe2O3], Magnetite [Fe3O4], and Chert [SiO2])
Category
Browse sedimentary (jasper), mineral (aquamarine) specimens identified by the Rock Identifier community.
Banded Iron Formation (BIF)
Banded Iron Formation (composed primarily of Hematite [Fe2O3], Magnetite [Fe3O4], and Chert [SiO2])
Bumble Bee Jasper
Calcite-bearing Volcanic Tuff (not a true Jasper)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (variations include Flint/Jasper)
Chert (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (specifically Jasper/Flint pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Botryoidal Chalcedony (likely Desert Rose/Agatized Geode Crust)
Silicon Dioxide (SiO2)
Jasper (with orbicular/unakitoid tendencies)
Silicon Dioxide (SiO2) with iron and epidote inclusions
Yellow Quartz (Chalcedony)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2 + Fe2O3
Dragon Blood Jasper
Epidote with Red Jasper (SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))
Chert (Nodule)
Chert (composition: SiO2)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with impurities)
Chert (Nodule)
Silicon Dioxide (SiO2)
Jasper (Willow Creek/Desert style)
Silicon Dioxide (SiO2) with iron and clay impurities
Jasper
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Puddingstone (Gowganda Tillite/Jasper Conglomerate)
Jasper Conglomerate (SiO2 primary composition)
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
Red Jasper (Opaque Chalcedony)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Carnelian (Banded Agate)
Carnelian Chalcedony (SiO2)
Red Jasper (River Polished)
Jasper (Silicon Dioxide, SiO2)
Chert (Iron-stained)
Chert (SiO2)
Quartz / Chert
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Chert (specifically Yellow/Honey Jasper variety)
Cryptocrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Jasper
Silicon dioxide (SiO2)
Jasper with Dendritic Inclusions
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper Breccia
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions