Black Tourmaline

Ca,K,Na, ▢)(Al,Fe,Li,Mg,Mn)3(Al,Cr,Fe,V)6

(BO3)3(Si,Al,B)6O18(OH,F)4[1][2]

Repeating Formula Of Tourmaline

https://www.gemjewellerykxo.ca/post/the-elements

Elemental Information - Composition

https://www.minerals.net/tourmaline_chemical_formula.aspx

Learn More About Black Tourmaline

https://geologyscience.com/gemstone/black-tourmaline-schorl/

Black Tourmaline Chunk

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Limited Edition Black Tourmaline Adjustable Rings

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Custom Design Consultation -

30

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Checkout The Variations Of Tourmaline

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