Stone(s): black tourmaline
Thread type: durable elastic thread
Wrist size: 16 cm–18 cm
Weight: approx. 20 to 30 g
Color: black
Photos not contractual
Stone diameter: 5 mm x 4 mm
Stone cut: cabochon
Shape: seed
Classification: silicate group
Mohs hardness: 7–7.5
Density: 3–3.10
Origin: Brazil, Sri Lanka, United States, Mexico
Care advice: Tourmaline is not fragile. No specific care required. However, to preserve the elastic, avoid running the bracelet under water.






















