mineral

Pink tourmaline crystal (probable)

Elbaite tourmaline, Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

AI-generated identification · may be incorrect

Small translucent pink-to-magenta crystal with vitreous luster and likely prismatic form; tourmaline hardness is 7–7.5 Mohs, with poor cleavage and trigonal crystal symmetry. The image is insufficient to confirm species; pink quartz or another pink mineral is possible.

Identified August 8, 2026More mineral →

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Physical properties

Formation & geological history

Typically forms in lithium-rich granitic pegmatites as hydrothermal fluids cool, commonly during late Paleozoic–Mesozoic or younger intrusive events. Important sources include Brazil, Afghanistan, Madagascar, Mozambique, California, and Maine.

Uses & applications

Transparent, well-formed material is cut into gemstones; opaque or fractured crystals are sold as mineral specimens. Small ordinary fragments generally have limited commercial value.

Geological facts

Tourmaline is strongly pleochroic and becomes electrically polarized when heated or compressed (the pyroelectric and piezoelectric effects). Elbaite commonly occurs with quartz, albite, lepidolite, and spodumene.

Field identification & locations

Look for a three-sided or six-sided prismatic crystal, lengthwise striations, glassy luster, and strong pink color; a hardness test and close examination of crystal termination would help confirm it. Treat the identification as provisional from this single photo.