grahamite

[ grey-uh-mahyt ]

nounMineralogy.
  1. an asphaltite with a pitch-black luster.

Origin of grahamite

1
1865–70, Americanism; named after J. A. and J. L. Graham, 19th-century American mineowners; see -ite1

Words Nearby grahamite

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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