8i 
MINERALOGY« 
SECT. LXXIII. 
2. Sparry, Bafaltes fpatofus. 
a. Deep green, (the mother of the eme- 
ralds) from Egypt 
b. Pale green, from Wefterfilfverberget, 
and Hagge, at Norberke, Linbaftmoren, 
at Grangierde, in the province of Weft- 
manland, &c. 
c. White, from Silf-udden, at Wefter- 
filfverberget, Pargas in Finland, the 
lime-rocks at Lillkyrkie, in the province 
ofNerike, &c. 
This occurs very frequently in the 
fcaly lime-ftones, and its colour changes 
from deep green to white, in proportion 
as it contains more or lefs of iron, 
SECT. LXXIV. 
3, Fibrous, Bafaltes par ticulis fibrofis ; Striated 
cockle, or fhirl : it looks like fibres, or 
threads made of glafs. 
A. Oi parallel fibres, Bafaltes fihris paraU 
lellis, 
a. Black, from Guftavsberg, in the pro- 
vince of Jemtland, the ifiand Uto, in 
the Lake Malaren, &c. 
h. Green, in moft of the Swedifii iron 
mines. 
White, from Wefterfilfverberget, in 
the province of Weftmanland, Lili- 
kyrkie in Nerike, and Pargas in Fin- 
land. 
ThePlafma, or mother of the emerald of authors, is a fine 
pellucid true quartz, of a green or emerald colour, not a iloae 
of this kind. D. C. 
G 
B, Qf 
