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[Section. 1] WHEN then the Touch-needles are prepa∣red * 1.1with diligence, and one would use them, there is need of a good Touch-stone upon which the Gold is to be tou∣ched, of such are found some part which are grey and pale green, but the black ones are the best, although the same be not all good, especially, if they are either too hard or too weak. The weak ones have this property, that upon them no Gold doth touch
bright, but the Gold doth only grind on it, and becom∣eth in the aspect weak and ruffe, also the Hungarish or other weak Gold will not touch it self right upon Touch-stones which are too hard, for the Gold doth run over it, that the stroak is not very well to be seen, and that Touch-stone is not good which doth not touch the Gold, of what Contents soever it be, with a fine good and strong stroak, that it be bright upon it, and also the Touch-needles as long untill the same stroak be like the Gold-stroak in the colour, and as high: then you have ve∣ry nigh the Content of the Gold: only, as I have given an account above, Observe well, whether the Gold be high-grain'd; viz. whether it hath much Copper added, or much white, which is called Pale Gold, according to * 1.2this, use the Needles, which every one doth not under∣stand, and therefore he must have the Knowledge of the righ stroak from great Practice. But as to the hard [Section. 2] * 1.3Gold, they do not give a right stroak, but they do touch all of a smaller content than they have in fine Gold, therefore such stroaks are to be judg'd false and uncer∣tain.
Touch stones
Ginnys.
Concerning hard and brickle Gold.