tourmaline
noun
any of a group of silicate minerals of complex composition, containing boron, aluminum, etc., usually black but having various colored, transparent varieties used as gems.
tourmalin
-
a variation of
tourmaline.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He extended his electrical researches, and made a variety of experiments, particularly on the tourmalin.
From Memoirs of Benjamin Franklin; Written by Himself. [Vol. 1 of 2] With His Most Interesting Essays, Letters, and Miscellaneous Writings; Familiar, Moral, Political, Economical, and Philosophical by Benjamin Franklin
The action drew his attention to the tourmalin ring she wore above her wedding-ring.
From The Daughter Pays by Mrs. Baillie Reynolds
It was a large tourmalin, set in small brilliants—a lovely blue, like the eyes of its wearer.
From The Daughter Pays by Mrs. Baillie Reynolds
The present craze of Society women is for Chinese pink jade and tourmalin.
From The Hand in the Dark by Arthur J. (Arthur John) Rees
By heat and by decomposition; the tourmalin; cats; galvanic pile; evaporation of water.
From The Temple of Nature; or, the Origin of Society A Poem, with Philosophical Notes by Erasmus Darwin
