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Writer's pictureKatelynn Samuels

Black Tourmaline

Updated: Jun 5, 2024

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


Elemental Information - Composition


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