Banded Jasper
Silicon Dioxide (SiO2)
Mineral/Sedimentary Rock (as a cryptocrystalline variety of quartz)
Category
Mineral (Variety Of Quartz)
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
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Jasper with Quartz Veins
Silicon Dioxide (SiO2) with impurities
sedimentary
Purple Jasper
Silica-rich Microcrystalline Quartz (SiO2)
sedimentary
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
mineral
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
igneous
Botryoidal Goethite on Quartz
Goethite (α-Fe3+O(OH)) on Quartz (SiO2)
mineral
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (Flint variety)
Chert (Microcrystalline or Cryptocrystalline Quartz), SiO2
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Common Variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Cryptocrystalline quartz (SiO2)
sedimentary
Chert (Chalky variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Pink variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Basanite variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Brown Variety)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Novaculite Variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (and Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Chert (Flint)
Chert (SiO2)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or limonite inclusions
sedimentary
Granite
Granite (felsic intrusive igneous rock)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
Amethyst (Raw Cluster)
Silicon Dioxide with iron impurities (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Red Jasper (beads)
Silicon Dioxide (SiO2) with iron inclusions
Sedimentary Rock
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide staining/cementing)
sedimentary
Pyrite
Pyrite (FeS₂)
Mineral
Chert (often called Flint in dark varieties)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Light Variety)
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Chert (and Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Schist
Schist (various mineralogical compositions including mica, chlorite, talc, etc.)
Metamorphic