Tourmaline black schorl XL

Black schorl tourmaline from Brazil
 
1st choice fibrous schorl tourmaline!
Ideal and indispensable for home protection!
 
Video: https://www.youtube.com/watch?v=Ke1VuLH-evw&ab_channel=RockMineralValley 
 
 
    Size: 16.5 cm by 7.5 cm by 6 cm for 1kg600
    Chemical formula: XG3Z6(BO3)3T6O18(OH,O)3(OH,F,O)
    Crystal system: Trigonal
    Hardness Mohs scale: 7-7.5
 
 
Properties :
Helps to stay positive and supports good mood, relieves skin problems, protection.
a tourmaline placed in every corner of the house protects it.
a tourmaline placed on the electricity meter helps neutralize waves.