Tourmaline rock specimen from mining and quarrying. Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iro

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Tourmaline rock specimen from mining and quarrying. Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium.

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Size: 5184px × 3456px
Photo credit: © Witthaya Khampanant / Alamy / Afripics
License: Royalty Free
Model Released: No

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