Tanzanite jewelry cleaning process Tanzanite is a rare and gorgeous gemstone that will make you swoon with its blue-violet hues. Found only in one place on Earth so far, at the foothills of Mount Kilimanjaro in Tanzania, this beauty is cherished for its uniqueness and charm. No wonder tanzanite jewelry is becoming so popular and coveted. But here's one thing that many people don't know! Tanzanite is a bit softer than most gemstones, such as sapphires and diamonds. So, if you