52 
ROOMVIII. 
Nat. Hist. 
CASES 
6 & 7 . 
ly in England, with and without vegetable im¬ 
pressions.— Some of the alluvial substances be¬ 
longing to the slate formation: sand, clay, 
peat, &c. 
(Shelves 4, 5, and 6.) Rocks belonging to the 
formations of serpentine,limestone andgypsum.— 
Older serpentine mixed with primitive limestone ; 
serpentine from Zoblitz in Saxony, where it is 
manufactured into a variety of vases, chimney- 
pieces, &c. ; newer serpentine, with steatite, 
amianth, garnets; with schillerstein (Diallage 
of Haiiy). 
Primitive limestone of various grain (large 
grained saline marble from Crodendorf^ Where 
it occurs in gneiss ; very fine grained statuary 
marble from Carrara); with mica; with tremolite. 
Red marble from the island of Tiree.—Grey 
and variegated transition limestone, principally 
from the Kartz ; with petrifactions. ■— Alpine 
or oldest Fletz limestone : subordinate to it 
a kind of marl called Zech-stein by the German 
miners ; bituminous marl state, with copper, &c. 
Gypsum; older Fletz gypsum : with boracite, 
arragonite; selenite; with swinestone,subordinate 
to this formation. Gypsum of laterformation, with 
fibrous gypsum, clay, &c. Selenite of very recent 
formation from Montmartre. Rocksalt, consti¬ 
tuting 
