Please visit this page to look up Black Tourmaline crystal properties. https://healingmountaincrystals.com/pages/index
*Example Photos: Color, markings, and size may vary in natural stones. Sizes are approximate
Approximate size range: ≈ (1.5x2.3x2.4 - 2x2.25x2.6 in)
*Example Photos: Color, markings, and size may vary in natural stones.