Yellow and green howlite necklace. Length - 56 cm Weight - 79g Yellow and green howlite are variations of the porous borate mineral, with colors that offer unique metaphysical and healing properties. While howlite is naturally chalky white with dark veins, it is highly porous and frequently dyed, though pale green and pale yellow tones can also occur naturally in trace amounts. Item will be shipped by registered mail with tracking number.