Compared with augite or hornblende, tourmaline has lousy cleavage and is likewise harder than those minerals. Clear and colored tourmaline can be a gemstone. The typical black variety is sometimes called schorl. If you don't know the place to begin, in this article’s an notion. Liven up your usual https://red-women-s-lace-up-stile19753.answerblogs.com/28370436/nude-women-s-triple-rhinestone-strap-metallic-heel-for-dummies