Minimum Order: 1kg

Height: 2 - 15cm 

Width: 1 - 13cm

Weight:  0.6 - 2.38kg

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.