Tourmalin Meaning in Bengali

What is the meaning of word Tourmalin in Bengali/Bangla ?

Meaning of Tourmalin in Bangla is : টুম্যালিন্

Defenition of word Tourmalin

• a typically black or blackish mineral that occurs as prismatic crystals in granitic and other rocks. It consists of a boron aluminosilicate and has pyroelectric and piezoelectric properties.

Example

In the line rock, this black tourmaline occurs as tiny prismatic crystals.

Other Meaning of Tourmalin