Cianita negra

Taramita

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Chemical formula
Na(NaCa)(Mg 3 Al 2 )(Si 6 Al 2 )O 22 F 2
Crystalline system
monoclinic
Class
silicates
Origin Minas Gerais, Brazil
Size 3.0-3.5cm

Crystallized taramite in beautiful shapes reminiscent of a witches broom.

Taramite is also known as Black Kyanite, it does not have the blue color because the color is covered by an infinity of black micro-inclusions (probably graphite).

    The piece you receive may differ slightly from the photo shown as the minerals are natural and no piece is identical. The size is approximate.