Jasper
Silicon dioxide (SiO2)
Category
Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
Quartz (Microcrystalline/Agate)
Silicon Dioxide (SiO2)
Mookaite Jasper
Siliceous (chert) sedimentary rock, a form of Jasper
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Jasper or Chert
Silicon Dioxide (SiO2)
Zebra Jasper
Silicon Dioxide (SiO2)
Chert (Mookaite style Jasper)
Microcrystalline Quartz (SiO2) with Hematite/Goethite inclusions
Jasper with Quartz inclusions
Silicon Dioxide (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Yellow Jasper)
Cryptocrystalline Quartz (SiO2)
Weathered Quartzite or Chert Pebble
Silicon Dioxide (SiO2)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert / Flint Nodule
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (and Jasper/Flint variety)
Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint)
Cryptocrystalline Quartz (SiO2)
Puddingstone
Conglomerate
Agate (Grey Agate Slice)
Microcrystalline Quartz (SiO2)
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
Moqui Marble (Ironstone Concretion)
Iron Oxide Concretion (Fe2O3)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)
Chert (Tan/Brown)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Chert (Yellow Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Green Jasper with Agate Banding
Silicon Dioxide (SiO2) with impurities of ferrous silicate or chlorite
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Chert Nodule (River Cobble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide impurities
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Bumble Bee Jasper
Calcite-bearing Volcanic Tuff (not a true Jasper)
Jasper Chert
Microcrystalline Quartz (SiO2) with iron oxide inclusions
Chert (Lightly weathered variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
River Stone (likely Quartzite or Chert)
Sedimentary rock composed of Silicon Dioxide (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Chert (Jasper and Chalcedony)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with impurities