25+ Grams Taquaral Tourmaline

25+ Grams Taquaral Tourmaline Taquaral tourmalines exhibit a wide range of colors, including green, blue, pink, and combinations of these. Some specimens show dramatic color changes under polarized light. Etchings and Terminations: Many Taquaral tourmalines feature natural etchings on their surfaces, and some are terminated with well-formed crystal structures. Gem Quality: The region is known for producing gem-grade tourmaline crystals, some of which are suitable for jewelry. Bicolor and Multicolored Specimens: Tourmaline from Taquaral is also known for its bicolor and multicolored crystals, showcasing combinations of colors within a single crystal.