A Metallick (probably an ANTIMONIAL) Cornish Stone, black, hard, and ponderous. It consisteth of a great many Clusters of short glossy Styriæ, radiated almost as in the Belemnites. But because irregularly broken and heaped together, but difficulty observ'd.

Antimony is of excellent use for the Refining of Gold: see an accurate Process, communicated by Dr. Jonathan Godard, and by Me published in the Philosph. Transactions. (b) (b) Num 138. An ⅛th part in proportion to the Copper, is by some added with the Tin, for the best Metallick Speculums. Founders add a little to their Bell-Metal, to make it more sonorous. And so Pewterers, to their Pewter, to make it sound more clear like Silver. 'Tis also used in the casting of Iron Bullets, to make the Metal run the better. The Spanish Women rub their Eye-brows with it, to give them an acceptable Black. (a) (a) Ambrosinus, and others.

The Cathartick Property of Antimony, was first taken notice of by Paracelsus. And several Preparations hereof both Cathartick, and Diaphoretick, are now much celebrated. Of the Virtue of it also taken Crude, see the Phil. Transact. (b) (b) N. 39. The Red Oil, called Stibij Sanguis, admirable in Malignant Ulcers. (c)(c) Wecker.