Atlantasite Sterling Silver PendantSerpentine and Stichtite, shaped into a heart and held in silver. Atlantisite is Serpentine and Stichtite grown together in the same host rocka rare enough pairing that the combination earned its own trade name. Also called Tasmanite after Tasmania, the primary source, the stones visual character comes from the contrast: olive to dark green Serpentine (a magnesium silicate, Mohs 34) interrupted by the chromium driven purple of Stichtite, a hydrated