Turbith Mineral, in Latin, Turpethum Mi∣nerale.
Put four ounces of quicksilver revived from Cinna••ar into a glass Retor••▪ and pour upon it six∣teen ounces of oyl of Vitriol; set your Retort in sand, and when the Mercury is dissolve••, 〈◊〉〈◊〉 fire ••nderneath it, and distil the humidity; make the fire strong enough towards the end, to drive out some of the last Spirit of all; afterwards break the Retort, and powder in a glass Mortar, a white Mass you'll find within it, which weighs five ounces and an half, pour warm water upon it, and the matter will presently change into a yellow powder which you must dulcifie by a great many repeated lotions; then dry it in the shade: You'll have three ounces and two drams of it.