Compared with augite or hornblende, tourmaline has inadequate cleavage and can also be more durable than Those people minerals. Clear and colored tourmaline is often a gemstone. The everyday black kind is usually identified as schorl. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://mayab455kfy0.tusblogos.com/profile