16 



CATALOGUE OF TITE 



micacous matrix, called by the Germans, schneidstein, 



from Mount Caucasus 

 t)5 A large oriental amethyst, polished, but uncut 

 i)Q A very fine columnar amethyst, from Siberia 

 97 A fine Brazilian topaz in its native crystallised shape, and 



a specimen of quartz, with prismatic colours 

 f)S Cubical blue chalcedony, Hungary ; and blistered copper, 



Cornwall 



99 Iridescent iron ore, from Elbe, extremely fine 



100 Chromate of lead, in large crystals 



101 An uncommonly fine specimen of smoky rock crystal, exhi- 



biting curious internal appearances, among which are 

 many needle-like figures which have the form of complete 

 and well defined crystals, supposed to be titanium 

 J02 Native ramose copper, from Pokadeschky, near Uralgeburge, 

 Siberia 



103 Capillary native silver, from Potosi, extremely fine 

 1Q4 A very large mass of prismatic Feldspath of Labradore, in 

 which a combination of different tints of gold, crimson, 

 bine, &c. variously blended in fine gradations, edged with 

 a lively green, constitute one of the most beautiful and 

 vivid assemblages that can be imagined. The colours 

 pervade the whole specimen, which is judged to be the 

 most capital of the kind ever brought from that country, 

 105 A snuffbox made of lepidolite, handsomely mounted 

 lOrj Superb Ivory Cup, presumed to be one of the most exquisite 

 works of the kind in Europe 



Testimonial relative to the cup, given by Professor 

 Thorkelin. <s The ivory cup in the Museum, late Sir 

 Ashton Lever's is an undoubted work of Magnus Berg, a 

 Danish artist, who having been engaged in France, during 

 the reign of Louis XIV. as Medailleur, returned home to 

 Denmark, where he- painted on the walls of Friedricks- 

 berg, the history of Christian V. and carved in ivory 

 several cups, part of which still remain in the Royal Mu- 

 seum at Copenhagen j and others were made presents of 

 to foreign princes, by his royal master. The life of this 

 truly extraordinary genius, is inserted in the Danish ma- 

 gazine of historic knowledge, 1/4/. 



Magnus Berg died in the reign of Friedrick IV. who 

 was succeeded by Christian VI. in the year 1/30. 



G. T. Thorkelin." 



107 Aqua marine, a very fine and perfect crystal 

 10S Opal in it? matrix, a remarkably brilliant specimen 

 109 A magnificent Laver, of the curious old Raphael" s ware; 

 fee form an elegant oval, with a- recurved edge, and 



