Part III. 
Of frafa. 341 
BLEW VITRIOL, Native, and cryftalhz’d, from the 
Copper-Mines of Herngrundt in Hungary. Given by Dr. Ed¬ 
ward Brown, together with the feveral Species following. 
GREEN VITRIOL, Native; from the Silver-Mines of 
Scbemnitz1 in Hungary. 
Native GREEN VITRIOL, mixed with fome Rays of 
a pale Blew 5 from the fame place. With its aftringent and 
fweetiih Tafts, is joyn’dfome Acritude. It grows to its own 
Ore , of a purplifh aih-colour; and of a milder Taft. 
A parcel of the fame Species, from the Copper-Mine of 
Herngrundt. 
Native VITRIOL of a pale Purple, and confiding of 
pointed Cryflals. This alfo hath fome Acritude. From the 
fame Mine. . 
Native WHITE VITRIOL. It grows in glofty Grains 
like Nitre grofly powder’d ; and not without fome Acritude. 
From the fame place. 
Made WHITE-VITRIOL of Chremnitz, 
WHITE-VITRIOL Ore of Chemnitz, Of a pale Okre 
colour, and meanly aftringent. 
A fort of Native VFRDEGRIESE, from the Copper - 
Mines of Herngrundt. It confifteth of flat and parallel 
Plates, as in a Slate ; of a blewilh Green, yet not fo blew, as 
the factitious. ’Tis alfo of a much milder Taft. It maketh 
a ftrong ebullition with Spirit of Nitre. Thefe from the 
above-mention’d Perfon. 
A rich ORE of Green Copperas, from Cornwall. Of a 
kind of Brick-colour, crack’d a little with lying in the Air, 
and hath upon it feveral efflorefcent lumps of Copperas. 
A poorer fort of Green Copperas ORE. On one fide, be¬ 
ing fcraped, of a blewifh alh-colour; and with little Taft. 
On the other, of a yellowilh Green, and tafteth_ ftrong as 
Vitriol. Maketh an Effervefcence with Spirit of Nitre. 
A Fibrous or STYRIATED ORE of Green Copperas , 
’Tis white , and form’d almoft like Sal Ammoniac 5 but 
hath the perfect Taft of Green Vitriol. Acids lhr it not. 
Befides the places mention’d, and others,Green Copperaas 
is plentifully made here in England, as at Debt ford, and elfe 
where. The Copperas Stones or Fire-Stones are found on 
the Sea-fhore in tffex, Hamphire, and fo Weft ward ; the 
belt of a bright Silver-colour. For the making of Copperas, 
they 
