Ubuhle bamaphethini amangalisayo ama-agate kanye nemithunzi ehlukene ye-amethyst, i-master engaziwa inqume ukwembula ngombala we-skull.
Ithambo lekhanda licishe livikeleke kulokhu abavame ukuluhlola ngalo i-anatomy, ngaphandle kwengxenye eyodwa - izimbobo ezisebhokisini le-cranial, elivula ukufinyelela kwitimu ye-crystals,.