Tanzanite is the birthstone for December and it also celebrates the 24th wedding anniversary. Tanzanite belongs to the zoisite species and it comes in striking blue and vivid violet hues. This special gemstone can only be found in one place on earth: northern Tanzania. Tanzanite is pleochroic: it shows three distinct colours depending on how you view it. Browse a few choice items here but visit us in-store to see our full collection of tanzanite jewellery.