We like the Zodiaq colors that are made with 97% quartz. Is there a big negative impact on the environment by taking quartz from the earth?
What do you mean, its energies? If you like it, buy it. But don't believe all that utter tripe about energy fields that scientists don't know about but fraudsters do.
No Quartz has no magical powers It does have piezoelectric qualities, which refers to it's conductivity of electricity, but a little bit of iron oxide will have little impact on it Piezoelectricity
