448 DOMAIN. V. CALCAREOUS. 



yellowish. A green tint may be suspected to in- 

 dicate magnesia. 



Granular limestone often belongs to the noble 

 kinds or marbles; it is also often found more 

 soft, light, and coarse, when it falls into this di- 

 vision. 



Grey granular limestone, with calcareous spar, 

 from Lusatia. 



The same, mixed with slate, from Saxony. 



Reddish brown granular limestone, with slate, 

 from the same. 



White granular limestone, from Stiria. 



White sparry limestone, in thin shining span- 

 tablets? ^ es ? fr m China. " There are brought from 

 China," says Born, " tablets of an oblong square 

 form, often marked with Chinese letters ; of a dull 

 polish, and sold as artificial, under the name of 

 rice stones, being regarded as composed of rice 

 reduced to a paste; but the external characters 

 and chemical analysis demonstrate that it is only 

 a sparry limestone, cut in these forms." A like 

 fabulous idea concerning rice has been entertained 

 with regard to iconite. 



Argillaceous limestone, which naturally splits 

 into lentiles, convex on both sides, which might 

 seem to be a bricia were not the paste absolutely 

 homogenous. Sauss. 1377. 



