US$ 60.88
according to the Mohs hardness scale
For hand drilled beads (like pearls) there’s a bit more trial and error and guess work
producing the effect of the stone seeming to shine from within
and bold black spiderweb matrix—creating highly distinctive
strength and vitality while supporting centeredness and grounding
Banded Mixed Stone 6-9mm Chip - Aquamarine & Crystal - 15-16 Inch Size9mm according to the Mohs hardness