mineralogy. 
‘*59 
SECT. CLVII. 
5. Mineral phlogifton united with carthS;^ 
PhUgifton minerale terris imhutum. 
A, With a calcareous earth, Phlogifion mine- 
rale terra calcarea imhutum, 
1, With pure calcareous earth, the foetid 
or fwine fpar, Seft. xxiii. 
2. With the calcareous earth and vitriolic 
acid, the Leberftein or Liverftone of the 
Swedes, Sed. xxiv. 
SECT. CLVIIL 
B. With an argillaceous earth, Phlogijton ar- 
gilla mix turn, 
1. With a fmall quantity of argillaceous 
earth and vitriolic acid: Coal: Li- 
thantrax. 
^ . It is of a black colour, and of a Ihining 
texture j it burns, and is moftly con- 
fumed in the fire ^ but leaves however 
a fmall quantity of aihes. 
a. Solid coal. 
h, Slatty coal 
Found in England, and at Boferup in 
the province of Skone. 
SECT. CLIX. 
2. With a greater quantity of argillaceous 
earth and vitriolic acid, the Kolm of the 
Swedes. This is of the fame appearance 
with the former, though of a more dull 
texture ; it burns with a flame, and yet is 
not confumed, but leaves behind a flag 
