Stone(s): black tourmaline
Dimensions: 12 cm x 10 cm
Weight: approx. 1.5 kg
Color: black
Photos are contractual
Stone cut: raw
Shape: freeform
Classification: silicate group
Mohs hardness: 7–7.5
Density: 3–3.10
Origin: Brazil, Sri Lanka, United States, Mexico
Care instructions: No specific care required.




















