Papabanucci have you held a crystal and felt the buzzing or energy in it?
Holding or wearing a particular crystal will make me feel a certain way....kyanite is wonderful for me and I discovered it by accident.
For others it will feel like a stone!
Labradorite is just beautiful and I now have it on my coffee table....it will
act as a focus and remind me of my goal.
If you want to get into the science of how, why or if crystals work...well I
can't explain something I'm still learning but if you experienced it for
yourself you'd get that at the very basic level the crystals have energy
and can ground, excite, calm, bring tuff up, warm, cool...etc dependant
on the crystal. Try popping a Hematite under your chair and see what
Crystals grow in specific shapes (internally) known as systems there's a
great book by a German guy who look at the science of crystal healing.
The synopsis says "This unique book examines the basic scientific
principles underpinning the fascinating art of crystal healing"
http://www.amazon.com/Crystal-Power-Hea ... F8&s=books
Here's a good non-esoteric article http://www.cis.yale.edu/ynhti/pubs/A5/vanwagner.html