27 
detached quartz crystals, with the reddish earth room viii. 
in which they are found, &c. Nat. Hist. 
SIBERIAN MINERALS. 
(Shelf 1.) Fossil wood, shells, &c. case 
(Shelf 2 .) Varieties of common quartz, and 14* 
rock crystals: large brown crystals, called 
smoky topazes. 
(Shelf 3.) Amethyst druses; calcedony; 
jaspers; hornstones, cut and polished; rose- 
coloured hornstone, containing manganese ; Con¬ 
stantine Hint, &c. 
(Shelves 4-5.) Several variegated jaspers; 
ribbond-jaspers ; jasp-agates ; woodstone ; feld¬ 
spar : green feldspar, called amazone stone. 
(Shelf 6.) Calcareous spar ; coloured compact 
limestones : Constantine marble ; selenite. 
(Shelves 1-2.) Fossil wood; brown mica; case 
chlorite; actinote ; asbestus ; noble serpentine, 15. 
&c. 
(Shelf 3.) Some varieties of green porphyry. 
(Shelf 4.) Iron and copper pyrites; brown 
ironstone, &c. Native copper, massive and 
crystallized. 
(Shelf 5.) Several varieties of fibrous and 
compact malachite ; earthy copper azure, &c. 
(Shelf 
