min .40ct 6x4mm emerald cut african rubellite tourmaline. valued for its ruby color rubellite exhibits a range of color from pink to red some with a violet tint. it is 7-7.5 on the moh's scale. it has a vitreous luster on crystal surfaces and a greasy luster on fractures. sources include brazil afghanistan australia burma india madagascar malawi mozambique namibia nepal nigeria pakistan russia zambia zimbabwe sri lanka tanzania the united states zaire elba and switzerland.