Stone(s): black tourmaline
Dimensions: 18 cm x 9 cm
Weight: approx. 2.66 kg
Color: black
Representative photos
Stone cut: raw
Shape: freeform
Classification: silicate group
Mohs hardness: 7 – 7.5
Density: 3-3.10
Origin: Brazil, Sri Lanka, USA, Mexico
Care instructions: No specific maintenance required.























