Quartzite Pebble
Quartzite (SiO2)
metamorphic
Category
Sedimentary (Chemical)
Browse sedimentary (chemical) specimens identified by the Rock Identifier community.
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Diabase (Dolerite)
Diabase
igneous
Diabase
Diabase (also known as Dolerite)
igneous
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Agate
Agatized Chalcedony (SiO2)
mineral
Banded Agate (Gray/White)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Quartzite
Quartzite (predominantly SiO2)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Gold Nuggest
Native Gold (Au)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Native Gold Nugget
Native Gold (Au)
mineral
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (specifically Milky or Clear Quartz fragment)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Quartz / Quartzite
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Ruby (in costume jewelry context)
Corundum (Al2O3) with Chromium impurities
mineral
Orange Quartzite / River Pebble
Silicon Dioxide (SiO2) - Recrystallized Sandstone
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
mineral / metamorphic
Quartz (Milky or Smoky tumble)
Crystalline Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Gold Ore / Native Gold
Native Gold (Au)
mineral
Quartz / Vein Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rhyolite
Rhyolite
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pebble (likely Sandstone or Granitic Pebble)
Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)
Rock (likely Sedimentary)
Quartzite
Quartzite (primarily SiO2)
metamorphic
Agate
Agate (a variety of Chalcedony, SiO2)
Mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite with Quartz Veining
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite with Gneissic Banding
Quartzite (primarily SiO2) with mafic mineral inclusions
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Gold Nugget (or Gold Grain)
Native Gold (Au)
mineral
Quartzite
Quartzite (SiO2)
metamorphic