mineral
Black Tourmaline
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)
AI-generated identification · may be incorrectHardness of 7 to 7.5 on the Mohs scale, deep black color with a vitreous to resinous luster. Forms prismatic crystal structures with distinct striations along the length.
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Physical properties
Hardness of 7 to 7.5 on the Mohs scale, deep black color with a vitreous to resinous luster. Forms prismatic crystal structures with distinct striations along the length.
Formation & geological history
Forms primarily in pegmatites, hydrothermal veins, and metamorphic rocks through high-temperature crystallization.
Uses & applications
Commonly used in crystal healing jewelry, metaphysical collections, and industrial applications due to its pyroelectric properties.
Geological facts
Black tourmaline is well-known for its ability to absorb negative energy and is often used for electromagnetic field protection.
Field identification & locations
Easily identified by its deep black color, columnar crystal shape, and characteristic vertical striations. Found globally, notably in Brazil, Pakistan, and the USA.
