Black Tourmaline
Deep, matte black scored with fine vertical lines, absorbing rather than reflecting light.
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- Feeling
- Resolve
- Origin
- Minas Gerais, Brazil
- Treatment
- None
In the Home
Where it belongs
Black tourmaline anchors a room. On an entry console or a study shelf it reads as a full stop — a dense, settling weight against everything lighter around it.
Formation
How it came to be
It crystallises in granitic pegmatites, growing as boron-rich fluids cool in the final stages of a magma's life.
Black tourmaline — properly, schorl — is a complex boron silicate and the most common member of the tourmaline family.
The pegmatites of Minas Gerais, Brazil, produce well-formed prismatic crystals with the characteristic deep striations running along their length.
Those vertical striations are not damage; they are grooves that form along the crystal's growth axis, a reliable field mark of the tourmaline group.
The Object
We select crystals with strong prismatic form, crisp striations, and a lustre that shifts from matte to gleaming as it turns. Natural terminations are kept where present.
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From the Journal