Boltonite


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Bol´ton`ite


n.1.(Min.) A granular mineral of a grayish or yellowish color, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Bolton gets its very own mineral, boltonite, a grayish-yellow granular rock found in limestone in that town.
Scientist unearthed state's gems; Work predates modern geology
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