Jasper
Silicon Dioxide (SiO2) with impurities
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Jasper
Silicon Dioxide (SiO2) with impurities
Sandstone (Quartzite-rich Pebble)
Arenite (composed primarily of SiO2)
Chert (River Pebble)
Chert (Silicon Dioxide, SiO2)
Jasper (specifically Red Jasper/Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper Shard / Chert
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Agatized Chert / Chalcedony
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Picture Jasper
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Red Jasper (with Quartz veining)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Chert (Jasper-rich River Cobble)
Cryptocrystalline Quartz (SiO2)
Chert (Iron-rich or Jasperoid)
Cryptocrystalline Quartz (SiO2)
Carnelian / Chalcedony
Cryptocrystalline Quartz (SiO2)
Yellow Jasper
Opaque Cryptocrystalline Quartz (SiO2)
Blue Chalcedony
Chalcedony (SiO2)
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
Rough Agate/Chert Nodules
Cryptocrystalline Quartz (SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with Hematite impurities
Red Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Carnelian (Flame Polished)
Carnelian (SiO2 with Iron Oxide impurities)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Chalcedony (Common Opal variant or Quartz)
Silicon Dioxide (SiO2)
Chert (specifically Gray/Blue-Gray Chert)
Chert (SiO2)
Shale
Fissile mudstone (rich in clay minerals and quartz)
Chert (Beach Pebble)
Silicon Dioxide (SiO2)
Chert (White Chert)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2)
Chert (with small quartz inclusion)
Microcrystalline Silica (SiO2)
Chert (Jasper/Chalcedony)
Microcrystalline Silica (SiO2)
Chalcedony
Silicon dioxide (SiO2) - Microcrystalline quartz
Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Banded Agate (Lake Superior Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Agate (Nodule/Chert)
Silicon Dioxide (SiO2)
Red Jasper (possibly Agatized Jasper)
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Jasper (Yellow/Brown variety)
Silicon Dioxide (SiO2) with iron oxide impurities
Chert (Jasper)
Silicon Dioxide (SiO2)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form