[5th day.] leveeian museum* 21 



.500 A large piece of oriental j as par, and amethystine quartz, 



coated with caleedony, Oberstein 

 501 Gray silver ore. Saxony ; and steel-grained lead ore, rich in 



silver 



. 502 Selenite, Saxony ; and polyhedral black blend, with pearl spar 



503 Manganese in a globose form, with a smooth surface, in 



the cavities of an iron ore, from Triers, in Germany 



504 Red haematites iron ore, on black haematites iron ore, having 



a glossy surface, and yellow ochre at the base, from a 

 mine near Catharinenburg, in Siberia 



505 Molybdate of lead, Carinthia ; and an iron, from Triers 

 - 50(5 A curious green zeolite, Norway 7 



-507 Iridescent needie antimony, on tabular barytes, Felsobaniai 

 Hungary % 



508 A fine slab of ruby copper, intermixed with malachite and 



native copper, Siberia / V 1 P 



509 Stalactitical iron, Triers 



510 Two specimens Molybdate of lead, Carinthia j and a white 



carbonate, Scotland 



511 A very fine group of crystallised ruby silver, Hartz 



512 A large and rich specimen of iridescent mammilated iron, 



from Triers 



513 A piece of Brasilian rock crystal, cut and polished, exhibit- 



ing most beautiful iridescent colours ; and another crystal 

 in its native state 



514 Part of a very large and beautiful nodule of agate, inclosing 



quartz, Oberstein jj 



515 Hard green oriental Egyptian porphyry, a slab of antique 



blue glass, made in imitation of lapis lazuli, from ruins in 

 Italy ; and four other polished specimens 

 51(5 A very fine and large yeliow cornelian 



517 Wood-like jaspar, Siberia ; red agate in quartz, and arti- 



ficial avanturine ... 



518 Jaspachates, two agates, from the Palatinate j Egyptian peb* 



ble, and two more 

 5ip Crystal of quartz, with hair-like internal appearances, and 

 four other crystals 



520 Stellated green sattin-like malachite, with crystallised blue 



malachite on vitreous copper, Bannatt; and green efflo- 

 rescence, with copper and iron ore intermixed, Thuiingia' 



521 Black octohsedral tin ore, in a group of rock crystals, 



sprinkled with green mica, and combined with brown- 

 plated barytes, ,cubic flour, &c. &c. a highly interesting 

 group 



,r 522 A slab of map-like prismatic labrador of exquisite beauty, 

 combining the orange, blue, and gold, in elegant variega- 

 tions 



523 A large group of cubic fluor, sprinkled with marcasites 



