Rough black tourmaline
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Rough black tourmaline from Brazil.
It is a unique piece of rough black tourmaline, from Brazil.
Its approximate measurements are 14 cm x 15 cm x 10 cm and it weighs about 2,770 kg.
Because it is totally natural and in a raw state, it may shed small pieces as it is handled.
Black tourmaline is popularly used to counteract the radiation emitted by electronic devices. It is widely used as a protective stone, as it neutralizes negative energies.
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