The color of tourmaline black beauty is generally dark green to black, sometimes with some blue or gray tones, which makes it very popular in the jewelry market. The hardness of tourmaline black beauty is 7 to 7.5 on the Mohs hardness scale, which is relatively high, so it can resist common scratches and injuries and is suitable for daily wear. In addition, tourmaline black beauty is also a rare gem, and its producing areas are mainly concentrated in Brazil, Myanmar, Sri Lanka and Madagascar, and the mining amount is relatively small, thus increasing the scarcity and value of tourmaline black beauty.
In a word, tourmaline black beauty is a high-grade gem with unique luster and rarity, which makes it very popular in the jewelry market and has high decorative value.