Tourmaline "green cap

Tourmaline is a silicate which is declined in a broad panel of color which extends from the pink to the red while passing by the green, the blue and the black. There are several kinds of tourmalines(Elbaite, Schorl, Paraiba). They are often found in the form of elongated rods.

In lithotherapy Tourmaline is a stone of anchorage and protection. Used against the negative and electromagnetic waves. it balances and harmonizes the places.

• Hardness scale of MOHS: 7-7.5
• Chemical Formula: XG3Z6(BO3)3T6O18(OH,O)3(OH,F,O)X=(Ca,Na,K,[]),G=(Mg,Li,Al,Mn,Fe2+,3+,V,Cr,Ti,Cu,[]),Z=(Al,Mg,Cr,V,Fe3+,Ti),T=(Si,Al,B,Be)
• Luster: glassy