dogtooth spar

noun

Definition of dogtooth spar

: a variety of calcite that occurs in acute crystals resembling the tooth of a dog

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First Known Use of dogtooth spar

1728, in the meaning defined above

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The first known use of dogtooth spar was in 1728

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Cite this Entry

“Dogtooth spar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dogtooth%20spar. Accessed 22 Oct. 2020.

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