Carved Purple Jade pendant, Tanzanite with brass. Jade is a mineral used thousands of years by Mayans, Aztecs and Chinese and comes ina a variety of color. Tanzanite is blue and violet zoisite mineral called by Tiffanys "the most beautiful blue stone to be discovered in 2000 years. Great for casual and business styles! It is 25 inches and weighs 4 ounces.