MINERALOGY; 265 



SECT. CCLXXXVIII. 



4. Metals in the form of extraneous bodies^ 

 Larva metallifera. 

 A, Silver, Larva argent if era. 



1. Native. 



a. On the furfaces of fhells. England. 



2. Mineralifed with copper and fulphur. 



a. Fahlertzorgrey filverore (Seel:, clxxi.) 

 in form of ears of corn, &c c and fup- 

 pofed to be vegetables, are found in 

 argillaceous flate at Frankenberg and 

 Tahlitteren in HefTe. 



SECT. CCLXXXIX. 



Z>. Copper, Larva cuprifera. 



1. Copper in form of calx, Cuprum calci~ 

 forme corpora per carina ingreffum. 

 a. In form of animals, or of parts be- 

 longing to them. 



1. Ivory, and other bones of the ele- 

 phant. The Turcois or Turky ftone.- 

 It is of a blueifh green colour, and 

 much valued in the Eaft. 



At Simore in Languedoc bones 

 of animals are dug, which during 

 the calcination affume a blue co- 

 lour ; but it is not probable that 

 the blue colour is owing to copper. 



SEC T. CCXC, 



2. Mineralifed copper, which impregnates 

 extraneous bodies, Cuprum miner alifatum 

 torpor a peregrina ingrejfum. 



A. With 



