Rock Identifier
Pink Tourmaline (Elbaite (Na(LiAl)3Al6(BO3)3Si6O18(OH)4)) — mineral
mineral

Pink Tourmaline

Elbaite (Na(LiAl)3Al6(BO3)3Si6O18(OH)4)

AI-generated identification · may be incorrect

Hardness of 7 to 7.5 on the Mohs scale, pink to reddish color, vitreous luster, trigonal crystal system, and distinct striated prismatic crystals.

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Physical properties

Hardness of 7 to 7.5 on the Mohs scale, pink to reddish color, vitreous luster, trigonal crystal system, and distinct striated prismatic crystals.

Formation & geological history

Forms primarily in pegmatites and hydrothermal veins through the crystallization of lithium- and boron-rich magmatic fluids.

Uses & applications

Widely used in high-end jewelry, gemstone collections, and industrial applications due to its piezoelectric properties.

Geological facts

Pink tourmaline is October's birthstone and exhibits strong pleochroism, often showing different colors when viewed from various angles.

Field identification & locations

Identified by its characteristic prismatic crystal habit, striations, and vitreous luster; commonly sourced from Brazil, Madagascar, and the USA.