Jasper (Mookaite style)
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Jasper (Mookaite style)
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
Jasper
Silicon Dioxide (SiO2) - Jasper (Microcrystalline Quartz)
Red Jasper
Silicon Dioxide (SiO2) - Opaque microcrystalline quartz
Red Jasper
Argillaceous microcrystalline quartz (SiO2 with Fe2O3 inclusions)
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
Common Opal / Chert
Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)
River Pebble (Quartz/Chert)
Silicon Dioxide (SiO2)
Red Jasper (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
River Quartzite / Tumble-Polished Quartz
Quartzite (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Agate Geode with Quartz Druzy
Cryptocrystalline Quartz (SiO2)
Quartz Geode
SiO2 (Silicon Dioxide)
Jasper (Green Jasper/Heliotropic Chert)
Silicon Dioxide (SiO₂)
Chert (and Flint)
Silicon Dioxide (SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
Red Jasper or Chert
Jasper (SiO2, a variety of chalcedony with iron oxide impurities), Chert (SiO2)
Yellow Jasper
Chalcedony (SiO2 with iron impurities)
Red Jasper
Silicon Dioxide (SiO2)
Red Jasper with Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
Petrified Wood
Silicified Wood (SiO2)
Jasper
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (Iron-stained)
Chert (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Chert (Jasper)
Silicon Dioxide (SiO2)
River Pebbles (Tumbled Quartz and Basalt)
Silicon Dioxide (SiO2) for white quartz; Mafic Volcanic Rock for basalt
Petrified Wood
Silicified Wood (primarily Chalcedony or Quartz, SiO2)
Quartzite Chert Pebble
Microcrystalline Silicon Dioxide (SiO2)
Chert (Gravel Fragment)
Silicon dioxide (SiO2)
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
Banded Agate (Onyx variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Botryoidal Black Chalcedony Geode (Black Grape Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper and Quartzite Pebble
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper (Wonderstone/Banded Jasper)
Silicon Dioxide (SiO2) with iron oxide impurities
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Red Jasper
Jasper (Silicon Dioxide: SiO2 with Iron oxide inclusions)
Banded Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
Yellow Quartz (Chert/Chalcedony)
Silicon Dioxide (SiO2) with iron inclusions
Petrified Wood
Silicified Wood (SiO2)
Quartz Geode Pebble
Silicon Dioxide (SiO2)