Lowest price:$24.99Description: approximately .30ct 6x4mm oval rubellite tourmaline. the name tourmailne comes from the sinhalese word turmali which means mixed . the gem probably got this name because of the variety of colors it comes in. tourmaline ranks 7-7.5 on the mohs hardness scale making it relatively tough. tourmaline is found all over the world and it's location can vary depending on the color.