Minimum Order: 1 piece

Height: 7 - 10cm 

Width: 1.5cm

Weight:  20 - 40g

Locality: Minas Gerais 


About Black Tourmaline 

  • Hardness Scale: 7 to 7.5
  • Mineral Species: Silicates
  • Chemical Formula: NaFe3(Al,Fe)6Si6O18(BO3)3(OH)4, Sodium Iron Aluminum Boro Silicate


*The pieces in the photos are samples and as crystals are made by nature some variations may occur.

*Some pieces may contain matrix.