This listing is for a mix of 30 raw green and pink Tourmaline pieces with a silk bag. On adverage 1/2" long, 1/4" thick, and weighs about 40 grams all together. This handful of tourmaline is perfect for any collection or for any jewelry maker; ready to inspire....the possibilities are endless! Tourmaline refers to a group of crystalline boron silicate minerals that vary greatly in color depending on the various inclusions of aluminium, potassium, iron, magnesium, sodium, and lithium. With a whole rainbow of color to delight in, these stones are pleochroic meaning individual specimens may display 2 or more colors depending upon the angle it's viewed from. Working with all the energy centers of the body, tourmaline aids alignment, centering and flow of the chakra energy system. With its long vertical striations it encourages energy movement and cleanses dense vibrations, inviting in balance and harmony. Tourmaline protects the heart....giving faith to lighten stress and worry. Experience this beautiful stone from Mother Nature and discover the message it holds for you...anything is possible for those who believe.