Hypertext Webster Gateway: "nagyagite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Nagyagite \Nag"yag*ite\, n. [So called from Nagyag, in
Transylvania.] (Min.)
A mineral of blackish lead-gray color and metallic luster,
generally of a foliated massive structure; foliated
tellurium. It is a telluride of lead and gold.
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