October Birthstones - Tourmaline & Opal 30th Sep 2014 Vicki Marinko TOURMALINEThe name Tourmaline was derived from the ancient Singhalese word Turmali – meaning mixed precious stones. Tourmaline occurs in just about every color, including bi- and tricolored stones.Tourmalines can act as a magnet when heated or rubb Tags: #Vicki Marinko October Birthstone Opal Tourmaline Marin Jewelers Guild