Tourmaline Crystal - Height: 2.1 cm - Width: 1.0 cm- 6.5 g - (1)

Tourmaline is a complex boron silicate mineral renowned for its wide color range and crystal forms. This specimen features a tourmaline crystal with dimensions of 2.1 cm height and 1.0 cm width, weighing 6.5 grams. Tourmaline crystals are typically prismatic, often exhibiting vertical striations and a vitreous luster. Formed in igneous and metamorphic rocks through boron-rich fluids, tourmaline's diverse colors range from greens and pinks to blues and blacks, sometimes occurring in multicolored or bi-colored combinations. Besides being a popular gemstone, tourmaline holds significance among collectors for its crystal shapes and color zoning. This natural crystal offers a glimpse into complex geological processes and mineral diversity.