Posts Tagged ‘gemstone necklace’

Another of my favorite gems is Tourmaline.  Since I love green and pink, I am particularly fond of the  multicolor and watermelon varieties. The tourmaline family aluminum and borosilicate minerals includes several separate minerals, one of which is called elabite.  Elabite is the mineral in most gem tourmaline.  Tourmaline has a Mohs scale hardness of…