122 CATALOGUE OF THE [24M day J] 



2878 A superb map-like variety of the iridescent feldspar, the 



prevailing colours of which are ultramarine and gold, 

 possessing the pearly lustre in high perfection 



2879 Native amalgam on white argil, Idria 5 green copper 



ore, Germany ; and red calcareous deposition, Hesse 



2880 A fine mass of cobaltic ore, with pyrites, &c. exhibiting 



the exact breadth of the stratum, Hesse, an interesting 

 specimen 



t 



End of the Twenty -fourth Day*s Sale*. 



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