Stone(s): onyx and lava stone
Cord type: durable elastic cord
Wrist size: 20 cm to 21 cm
Color: black
Photos not contractual
Stone diameter: approx. 10 mm
Stone cut: cabochon
Shape: round
Classification: Onyx: quartzite group – Lava stone: igneous rocks
Mohs hardness: Onyx: 7 – Lava stone: 5 to 5.5
Density: Onyx: 2.5-2.6 – Lava stone: 1.2 T/m³
Origin: Onyx: Italy, Mexico, Brazil, USA, South Africa, Russia – Lava stone: all countries with volcanic activity
Care instructions: Onyx and lava stone are not fragile. No specific maintenance is required. However, to preserve the elastic, avoid putting the bracelet under water.















