1817.) during the Year 
(13.) Lime-stone from Pehrshyttan, 
mitive lime-stone, white, thick, and 
1816, 81 
near Nora.—This is a pri- 
mixed here and there with 
streaks of greenish tremolite. Its constituents were, 
Dine. Sse hans 
Magne’... ss. S.. 
Carbonic acid and water 
Oxide of iron ....... 
Oxide of manganese... 
SOC IE 34°80 
eeeee 15°56 
- 45°28 
wrekt ste 176 
eseee O60 
——. 
98°00 
(14.) Grammatite from Fahlun.—Its constituents were, 
Silica ee Cees eeseee erase 
Magnesia .......... 
Lime -ee06 +2. Keak 
Oxide of iron ...... ie 
. Oxide of manganese ., 
PB oy ais oh v0 sro N ans 
WME Sr eiicme Ace's & 
» 59°244 
eee.  1:000 
99°796 
Hence its mineralogical formula is C S* + 2 M S°, 
VII. Analysis of red Manganese Ore 
(Mangankisel), from Long- 
banshyttan. By J. Berzelius. Its constituents were, 
MGR yayatbeas ies ie)s mare sie 
Oxide of manganese... 
PNP geet hw loo: 0 
Magnesia ......... we 
Oxide of von. och o.ccs. 5 
Berzelius considers it as composed of 
Bisilicate of protoxide of mang 
Bisilicate of lime .......... 
VIII. Analysis of Fahlun Garnet. 
stituents were, 
tunities 48:00 
nie shmilels ALAS, 
Te atietels ica ee, 
wars vats 0:22 
.. Trace 
105°76 
ANESE, © sity 0:0./93°288 
eree eGeevee 6°712 
100-000 
By W. Hisinger. Its con- 
a ee Pen oie « viele SOIGS 
oe ne wvtaatets O66 , 
Protoxide of iron .......... 39°68 
Oxide of manganese ...... 1°80 
100°8O0 
He considers it as A S + fS, 
IX. Analysis of a new Variety of Gadolinite from Korarfvet, in 
the Neighbourhood of Fahlun, By J. 
were, 
Vox, IX, N°]. F 
Berzelius. Its constituents 
