208 Notices of the Geology and Mineralogy of Sicily}. 
_ fron. i. Iron Pyrites, crystallized and amorphous ; 
and sometimes in rolled pieces, with a crystalline or gran- 
ular fracture, in stalactitic masses; very abundant in Si- 
cily, in the argillites around the chain of Pelorus, and in 
beds in the chalk and marl strata, associated with sulphur; 
gypsum and common salt. Sulphate of iron is found at 
Noora and F. di Nisi formed from the decomposition of 
pyrites, said to have been formerly wrought in the argil- 
lite mountains of Petralia; chalybeate waters are common 
in Sicily, the best known are at Paterno. 2. Granu- 
lar magnetic iron, in the sands in the bottom of the 
valley of Taormina and F. di Nisi. 3. Oligist, near 
Taormina and Savoca, beautiful specimens are found ad- 
hering to the lavas of Aitna, laminated and cellular. 5. 
Spathic iron, in small masses on quartz in a valley behind 
Taormina,—some specimens are united with compact 
earthy manganese. 6. Oxide of iron, abundant in every 
part of Sicily, particularly around the chain of Pelorus; 
immense masses are found in the argillite and chalk, par- 
ticularly in low wet places; red argillaceous oxid in the 
mountains of Nicoria, &c. ; earthy oxid in globular masses, 
in pieces with blue and green spots of carb. copper near 
Taormina, in balls with concentric strata, at Nicoria, &c.; 
often mixed with decomposed pyrites; silicated oxid in 
granular masses in the streams from the mountains around 
‘Taormina, dark, gray, or earthy blue phosphate, in the vol- 
canic tufas of V. di Noto, and in the cavities of decompo- 
sed Javas in low marshy places; also in the fissures, and on 
the surfaces of various earthy substances; in the low 
metalliferous soils around Pelorus, as at F. di Nisi. Chro- 
mate in the metalliferous mountains of F. di Nisi, dark 
-brewn, hard, compact. 
Anthracite is found in several places in the transition 
rocks around the chain of Pelorus. It is not wrought, how- 
ever, to a sufficient extent to prevent the importation of 
large quantities from Riggio and other parts of Calabria. 
The following are the principal localities: 1. Messina 
without the walls. It is dug on the surface like a quarry ; 
it lies in argillite, and runs under it in the direction of its 
strata, burns with difliculty, but keeps fire a long time. 
It is rather a highly bituminous schist, but serves well for 
fuel; in its vicinity there are pyritous schists easily de- 
