Quartz or Quartzite?
Quartzite, in general, is a rock with a high resistance formed. By the fact that quartz sand grains are very firmly connected to each other with a cement made of silica. Various amounts of feldspar, mica, clay, magnetite, hematite, garnet, rutile, limestone can be found in quartzite. Quartz is the name given to fairly pure silicon dioxide crystals. It is a hard, crystalline mineral consisting… Read More »Quartz or Quartzite?