Rough Quartz (or Quartzite pebble)
Silicon Dioxide (SiO2)
mineral
Category
Synthetic (Ceramic)
Browse synthetic (ceramic) specimens identified by the Rock Identifier community.
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert (varietal Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Milky Quartz
Silicon dioxide (SiO2)
mineral
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
mineral
Kyanite (Purple variety)
Kyanite (Al₂SiO₅)
metamorphic
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert (Flint)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (and Flint)
Microcrystalline Silica (SiO2)
sedimentary
Chert (and Limestone)
Silicon Dioxide (SiO2)
sedimentary
Quartz with Chalcedony
Silicon dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint variety)
Microcrystalline Silica (SiO2)
sedimentary
Chert / Flint
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
sedimentary
Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Green Kyanite
Kyanite (Al2SiO5)
mineral
Quartzite (Orthoquartzite)
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic