• Webster's Revised Unabridged Dictionary
    • n Ampelite (Min) An earth abounding in pyrites, used by the ancients to kill insects, etc., on vines; -- applied by Brongniart to a carbonaceous alum schist.
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Century Dictionary and Cyclopedia
    • n ampelite A species of black earth abounding in pyrites: so named from having been used to kill insects on vines. The name is also applied to cannel-coal and to some kinds of schist.
    • ***


Webster's Revised Unabridged Dictionary
L. ampelitis, Gr. 'ampeli^tis, fr. 'a`mpelos vine


In literature:

Bits of ampelite or cannel-coal found on our southern coasts, charged with bitumen, sulphur, and salt.
"The Sailor's Word-Book" by William Henry Smyth