I highly seucspt that they simply choose the additives and proportions for the maximum usefullness of the properties of the stone. Natural gemstones are, without exception, always containing impurities, defects in the crystal-grid etc etc. They are much inferior to modern man-made xpecimen. but what makes the natural ones so extremely valuable is that they are quite rare
of course it can! doing what this guy does is liinvg life to the fullest for some people, and im sure he enjoys what he does, why else would he be doing it? I just thought id share my opinion that sure tv and video games are great once and a while, you need time to chill. However, making the most of your life doesnt always have to require book-smarts and school knowledge .