O F S T O-TSI E S. 



compared together, confiding of an opake and pellucid cryflal- 

 Jine quartz, and micas'; the latter ufually black. From the 

 fliore of North Tyne. This fpecies is the Marmor Thebaicum, and 

 Syenites, of the antients, who had it from the Upper JEgypt (iv) ; 

 where are vaft quarries of it ftill to be feen (x). We have fome 

 vvarieties of it. 



\Jl. A dark red, fpotted with green, and black. There is a vaft 

 mafs of this fpecies lying in the river Aln, below the bridge at 

 Alniuick. Part of it has been worked for a mill-Hone by fome 

 unfkilful artificers, who finding it after much fweat to be a 

 harder kind of flone than they were acquainted with, deferted 

 it, with no fmall furprize at their miftake. 



idly. A granite of a florid red ground, with pearl-^coloured or 

 bluifh-grey fpots \ the concretions large ; no micse in it ; capable 

 of a good polifh. From the more of the brook below Simonburn- 

 caftle. 



%dly. A granite of d, pale red ground, Variegated with yellow 

 and green fpots. From the fame fhore. Thefe are beautiful 

 varieties. 



We have alfo a granite of a gold-yellow ground, with grey 

 and green fpots, in an elegant variegation. This, and the other 



Woodward. Cat. FofT. r. ^.5. arid Cat. i. S. 3. 



Method of Fed", p. u. No. 41. 



Granita rubra durifllma^ nigro et albo variegata ; qu* pyropsecilos afttiquorum 5 Syenites 

 ; Plinii, ,et granita orientalis recentiorum. Hill. Hift. Foil", p. 499. No. 2. 



(w) About a ftiile S. E. frofn the ruins of Syene t near the catarafls of the Nyle, on the 

 borders of ^Ethiopia. Poaci's Defcript. oftheEa/l. Vol. i. p. 117. 



(x) Ib. Ph. Luccfs's Voyage au Levant. Tom. 3. p. 154, & 162. 



kinds, 



