Tourmaline Crystal - Height: 19 mm - Width: 21 mm- 20 g - (1)

Tourmaline is a complex, crystalline boron silicate mineral that comes in a wide range of colors, often prized for its striking inclusions and crystal forms. Typically forming prismatic crystals with vertical striations, tourmaline is popular in both mineral collecting and jewelry. The crystal in question, measuring around 19 mm in height and 21 mm in width, likely displays these characteristic features and could range from black (schorl) to vibrant colors depending on its specific composition. Tourmaline crystals are found worldwide in various geological environments, including granite pegmatites and metamorphic rocks. The mineral's diverse chemistry allows for various color zoning, which often makes individual specimens unique and interesting. In gemology, tourmaline is valued not only for its beauty but also for its relative hardness and durability, making it a versatile gemstone in different jewelry settings.