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n.1.(Min.) A coal-black marble, usually emitting a fetid smell when rubbed; - called also stinkstone and swinestone.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The Cambrian part of the local succession consists of bituminous shale with subordinate beds and lenses of bituminous limestone (anthraconite, 'orsten'/'stinkstone'), belonging to the Alum Shale Formation (Figs 2A, B, 3; Westergard 1922).
Anthraconite and a giant concretion from Lasnamae // Estonian Nature.