Quartz Pebbles
Silicon Dioxide (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Quartz Pebbles
Silicon Dioxide (SiO2)
Titanium Aura Quartz (Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
Sandstone (Pebble)
Sandstone (arenite, arkose, wacke depending on composition)
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silica with Hematite impurities), SiO2
Carnelian
Carnelian (SiO2 with Iron oxide impurities)
Gold-bearing Quartz Ore
Auriferous Quartz (SiO2 with Au)
Banded Calcite (often commercially sold as Mexican Onyx or Green Onyx)
Calcium Carbonate (CaCO3)
Chert (Smooth River Pebble)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Arrowhead Artifact)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Granite
Granite (a felsic intrusive igneous rock)
Red Jasper
Silicon Dioxide (SiO2)
Red Jasper with Quartz
Silicon Dioxide (SiO2) with Hematite inclusions
Gold-bearing Quartz
Auriferous Quartz (SiO2 with native Au)
Jasper pebble
Silicon Dioxide (SiO2) with impurities
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Brown Chert
Microcrystalline Quartz (SiO2)
Botryoidal Chalcedony
Chalcedony (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (White-Tan variety)
Silicon dioxide (SiO2) / Microcrystalline Quartz
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
White Quartz
Silicon Dioxide (SiO2)
Morganite and Aquamarine (Beryl) Bracelet
Beryllium aluminum silicate, Be3Al2(SiO3)6
Schist (Micaceous Schist)
Schist (comprising Muscovite/Biotite mica, Quartz, and Feldspar)
Quartz crystal with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions/staining (Limonite/Hematite)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Jasper
Silicon dioxide (SiO2)
Yellow Quartz
SiO2 (Silicon Dioxide)
Chert (Jasper variety)
Silicon Dioxide (SiO2)