Of gMetak Part III. 
Sect. II. 
Of METALS. 
GHAP. I. 
Of gOLD, SILVER, and COTTER 
OLD ORE of HERNGRUNT,holding Silver. Given 
-I by Dr. Edward Brown. It confifteth of fparks of a 
ihining Gold-colour, together with fome Black ones, al- 
ternately immerfed in a white arid pretty hard Stone. 
GOLD ORE of Chremnitz. Given by the fame Hand. 
Here are feveral pieces. One white, and femiperfpicuous. 
Another,blacki(h,not much unlike fome Flints. The others, 
mixed of both. All fo hard, as to write upon Glafs. Yet 
Spirit of Nitre droped on them, in a little while, will fink 
into them, almoft as Water into a Bolus. Which perhaps 
may depend upon fome invifible Cracks in the Ore. 
That with black fpots in white, is accounted the beft. (a) 
Brown'* I n an 100 ^ weight of Ore, is contained about ?j of Gold, 
Travaih, holding one third part of Silver, {b) In this Mine, fome- 
p^j- times are found pieces of pure (c) Virgin-Gold. This, by 
Co ib, p^p. fome, is called Aurum Obryzum : qu. Ophrifum, like that of 
Ophir. Of feveral particulars of the Working here, and 
of feparating the Gold from the Ore, with the Engines, dec. 
See the fore mentioned Doctors Travails. 
GOLDEN SAND , from the River Tagm. 'Tis very 
fine, and ponderous 5 confifting of Grains of a redifli Iron 
colour mixed with black. 
A lump of pure GOLD of the bignefs of a Peas, melted 
out of the forementioned fand. 
GRAIN GOLD,or Golden Sand from the River Danuby. 
Given by John Bembde Efq$ taken thence with his own 
hand. Very fine as the former. Confifting inoitly of black 
Grains, wherewith are mixed fome of a pure Gold colour 5 
in the proportion of about one to twenty. 
