Charming Black Opal is an authentic gemstone that looks vibrant and has a shimmery shine. Opals are birthstones for the October month babies people whose zodiac sign is Taurus and Libra can wear black opal jewelry to take all of its advantages. However, other zodiac sign people can also wear every type of Opal. This shimmery black Opal is unarguably one of the most gorgeous stones one can have, and without a doubt, black opal rules over other opals as it is rare, authentic, and has a beautiful play of color in it.