Every month of the year has (at least) one gemstone associated with it: the birthstone. And these sparkly rocks should be your new BFF, because each one bestows its wearer with mystic power or protection. Your birthstone has got your back, and can super-charge you with its natural good vibes. Of course, none of this is new. Many different cultures and civilizations have dabbled with the idea that certain gemstones represent different months of the year or possess mystical (and…