IX. Remarks on a Mineral/tow Greenland, supposed 

 to be Crystallised Gadolinite. By Thomas 

 Allan, Esq. F. R. S. Ed. 



[Read 21st November 1808]. 



AMONG a parcel of minerals which I procured lafl fpring, 

 there are fpecimens of two very rare foflils ; one of them, 

 the Cryolite, the other I believe a variety of the Gadolinite. 

 The former, is accurately defcribed in the different mineralo- 

 gical works, and I have little to add to the information con- 

 tained in them. But the Gadolinite appears to be very imper- 

 fectly known, and has never yet been defcribed as a crystallifed 

 foffil. 



The minerals in queftion were found on board a Danifh 

 prize, captured on her paffage from Iceland to Copenhagen, and 

 were fold with the reft of her cargo at Leith. On examination, 

 I was furprifed to find they correfponded fo little with the fof- 

 lils which are ufually brought from that ifland, and confe- 

 quently endeavoured to trace from the ihip's papers, any parti- 

 culars that might lead to the knowledge of their geographic 

 origin. All I could learn was, that they were fent from Davis* 

 Straits by a Miflionary; 



I consider this limited information, however, fufncient to 

 fix on the coaft of Greenland as the place from whence they 



had 



