Question

meaning of tourmaline​

Answer 1

Answer:

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.

in Hindi also:

. टूमलाइन

1. तूरमली, टूरमैलीन, एक प्रकार का अनेक वर्ण विद्युत-धर्मी खनिज़ पदार्थ जो नगीने के रूप मे व्यवहत होता है

Explanation:

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Answer 2

Gem and specimen tourmaline is mined chiefly in Brazil and Africa. Some placer material suitable for gem use comes from Sri Lanka. In addition to Brazil, tourmaline is mined in Tanzania, Nigeria, Kenya, Madagascar, Mozambique, Namibia, Afghanistan, Pakistan, Sri Lanka, and Malawi