[ad. G. schweinstein (see SWINE and STONE sb.), = mod.L. lapis suillus.] An early name for ANTHRACONITE, a variety of limestone containing bituminous matter, which emits a fetid odor when struck or rubbed; also called stinkstone.

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1794.  W. Hutchinson, Hist. Cumbld., I. App. 44/1. Swine Stone. Lapis Suillus.—Almost black, of fine scaly texture.

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1819.  Brande, Chem., 210.

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1876.  Page, Adv. Text-bk. Geol., xiv. 244.

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