Flint / Chert
Silicon Dioxide (SiO2)
Category
Browse synthetic (ceramic) specimens identified by the Rock Identifier community.
Flint / Chert
Silicon Dioxide (SiO2)
Tumbled milky quartz (probable)
Quartz, silicon dioxide (SiO₂)
Flint Pebble
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Kyanite
Kyanite (Al2SiO5)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Feldspar Rich Granite with Limonite Staining
K-Feldspar Granite (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Quartzite
Quartzite (SiO2)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Quartzite with inclusions
Quartzite (SiO2)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Quartz-rich rock, possibly milky quartz or quartzite
Quartz (silicon dioxide, SiO₂); if granular and foliated, likely quartzite
Tumbled quartz pebble
Quartz (silicon dioxide, SiO₂)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Tumbled quartz pebble
Quartz (silicon dioxide, SiO₂), likely milky or smoky quartz
Milky quartz
Quartz (silicon dioxide, SiO₂)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Flint
Silicon dioxide (SiO2) - Microcrystalline Quartz
Milky quartz (likely quartz vein fragment)
Quartz, silicon dioxide (SiO₂)
Celestite
Celestine (SrSO4)
Quartzite
Quartzite (SiO2)
Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Blue Kyanite
Kyanite (Al2SiO5)