MARBLE. 
GENERIC CHARACTER. 
Compact calcareous earth, admitting of a fine polish. 
Fracture foliated ; exhibits granular distinct concretions. 
Burns to lime: dissolves, with effervescence, in the mineral 
acids. 
SPECIFIC CHARACTER. 
Marmor micans. M. diaphanum album lamellosum intus micans 
duriusculum in grana subtiiia sponte sece- 
dens, poiituram adrrnttens. Linn. Sytt. Nut. 
Gmel. 3. p. 104. no 3. 
Hard, white, diaphanous marble, of a foliated 
fracture, glittering within and breaking spon- 
taneously into little grains : takes a high 
polish. 
Calcareus particulis spatosis dispersis planis irre- 
gulariter dispositis nitentibus et marmor uni- 
color album. Waller. Syst. Miner. 1 p. 124. 
no. 4. a & p. 120. no. 8. a 
White Marele. Cronst. Miner. 1 . p 24. Kirwan. Miner. 1 . 
p. 114. Brongniart. Miner. 1 . p. 192. 
The white, or, as it has been called, sugar marble, 
is the most useful of all the numerous varieties 
of this beautiful substance. In its fracture it very 
2 B 
VOL. III. 
