72 CATALOGUE OF THE [\btfl day.'] 



1698 A group of greenish fluors, with bevelled edges, many of 

 them frosted with spar, Derbyshire^ fton., 



1699 Crystallized solid malachite, in quartz, a fine specimen, 

 and very rare / -**// 



1700 A large and fine §roup of well-formed deep t amethystine 

 fluor, Durham , 



1701 Amianthus, with copper j arseniate of copper, and iron ; 

 and four others 



1702 Eight various crystals of tin, Cornwall # ~ 



1703 Tin, in large crystals, and three others, Cornwall % ~$ 



1704 Small tessellated, or dice-like marcasites, sprinkled on the 

 surface of dark cubic fluor, Derbyshire ft*»? 



1705 Calamine, with delicate white crystals of sulphate of lead, 



Hesse 



£> ;: 1706 A large ana handsome specimen of crystallized native gold, 

 Hungary 



1707 Black crystallized mica, disposed in strata upon an opake 



white quartz ? * 



1708 Smoky rock-crystal, a fine group, Switzerland /$ 



1709 Seven varieties of mountain crystal ; a smoky quartz, and a 



yellow ditto with fluor, Durham 

 (J 1710 A curious Egyptian pebble, bearing a striking resem- 

 blance to a grotesque human head — in a frame 

 17H Red fortification-like agate, Oberstein^ and another, Ger- 

 *~ many j with two specimens of oriental agate, all cut and 



polished 



1712 Dark blende, having the surface beautifully sprinkled with ' 

 brilliant white quartz, in minute crystals 5 copper, with 

 quartz crystals, Cornwall 5 and quartz, Bristol £j 



J 713 Lichen geographicus, a large specimen, on a rock stone, 

 from Westmoreland f\ ' h , 



1714 A snuffbox, formed of Jaspachates, from Oberstein/ 

 A-c 1715 Oberstein agate, cut and polished, the clouded part of 

 which is lather distinctly marked with the figure of a 

 Madona, red carnelian, and chalcedony, from the Leve- 

 ' / rian specimen 



1716 Four elegant varieties of polished agate 



J717 Spanish avanturine, and the antique imitation of avanturine, 

 from the ruins of ancient R©me 



171 8 Ferruginous quartz, Bristol 3 chalcedony, a pudding stone, 

 and two specimens of jaspar Jjf % 



1719 Pitch stone, very rare, Siberia •* a rhombidal crystal of 

 feldspar, granite Scotland, and fortification agate . jT" 



1720 Six specimens of minerals, including black shorl, Und a 

 green copper, with topazine crystals ' 



1721 Lapis lazuli, a fine polished slab, amethystine quartz, ditto, 

 and four other polished specimens j'J 1 



Q }122 Six specimens of minerals, among which are three Ober- 

 stein agates, green jaspar, and two others />« ]{%~*g± 



(i 



