Quartzite
Quartzite (primarily SiO2)
metamorphic
Category
Sedimentary Rock (Technically Chert, A Microcrystalline Quartz)
Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.
Learn about Sedimentary Rock (Technically Chert, A Microcrystalline Quartz) in the encyclopedia
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Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Chalcedony
Silicon Dioxide (SiO2)
mineral
Obsidian with Slate/Tuff
Volcanic glass (SiO2) with associated pyroclastic rock
igneous
Quartz Vein in Schist
Quartz (SiO2) in Pelitic Schist
metamorphic
Jasper (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (Jasper/Quartzite)
Microcrystalline Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Cryptocrystalline Silica (SiO2)
sedimentary
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Sandstone or Quartzite
Arenite (if sedimentary) / Quartzite (if metamorphic)
Sedimentary or Metamorphic
Basalt with Chert/Obsidian blade
Aphanitic Mafic Igneous Rock (Basalt) with Microcrystalline Silica (Chert)
igneous
Agate (Carnelian/Chalcedony)
Silicon Dioxide (SiO2)
mineral
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Pebble (river rock/beach pebble)
Pebble (clast size class)
Sedimentary Rock
Milky Quartz
Quartz (Silica / Silicon Dioxide), SiO2
mineral
Chert (Flint)
Chert (SiO2)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Dendritic Agate or Manganese Nodule in Chert/Limestone
Silicon Dioxide (SiO2) with Manganese Oxide (MnO2) inclusions
sedimentary
Quartzite with Iron Inclusions
Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)
metamorphic
Jasper Pendant
Chalcedony (Quartz) - SiO2
Mineral/Sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (composed mainly of SiO2)
metamorphic
Banded Iron Formation (BIF)
Banded Iron Formation (predominantly Hematite Fe2O3 and magnetite Fe3O4 alternating with Chert SiO2)
sedimentary
Banded Iron Formation (BIF)
Banded Iron Formation (Magnetite-Hematite-Chert)
sedimentary
Chert (specifically Chert Nodule/Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
River Cobble (Quartzite or Chert)
Metamorphic Quarzite (SiO2)
metamorphic
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert Breccia (Yellow Jasper)
Silicon Dioxide (SiO2) - Brecciated Chert
sedimentary
Puddingstone (Gowganda)
Gowganda Formation Conglomerate
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Jasper
Silicon dioxide (SiO2)
sedimentary
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (specifically Brown Chert or Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
River Pebble (Greywacke or Siltstone)
Clastic Sedimentary Rock
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Flint or Dark Chert)
Chert (SiO2)
sedimentary
Seashell Fragment
Calcium Carbonate (CaCO3) in the form of Aragonite or Calcite
mineral
Pink Quartzite
Quartzite (principally Silicon Dioxide, SiO2)
metamorphic
Chert (Black Chert/Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary