This collection showcases the truest form these semi-precious and precious gemstones come.  The shape and structure as well as the chemical composition of the crystals do play a role as to why they have healing tendencies.  Even where in the earth's crust and how they formed become a metaphor for how it interacts with our own body because the Daoists believed that we are all connected one way or another.  A rock that has been formed deep in the earth's layers like the beryls has a more townifying effect than one that is formed at the earth's surface like volcanic rock, which has a bigger effect on our immunity and defense mechanism in the body.  The gemstones still have their healing powers, cut, heated, and polished but the less they are processed, the more potent their energies are.  Sometimes it's best to keep them raw...