Australian "Boulder" Chrysoprase Freeform Oval 7-10mm - 15-16 Inch Certainty Tanzanite is both extremely rare

Tanzanite is both extremely rare and extremely attractive

It is named for its strikingly beautiful swirling patterns of parallel lines

rendering its black especially deep and mysterious

black or brown veins running through it in web to like patterns

resulting in fossils that are chalk-white

Australian "Boulder" Chrysoprase Freeform Oval 7-10mm - 15-16 Inch Certainty Tanzanite is both extremely rareChrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline Chalcedony, its brilliant color comes from the presence of very small inclusions of Nickel compounds, as opposed to the presence of Chromium which creates Emeralds green color. Chrysoprase is believed to balance the heart chakra and help one understand their needs and emotions.