236 New Analyses of' Minerals. 



The following analyses of minerals are extracted from 

 late numbers of various German and French journals. 



Aluminitc, from the mountain 



of Bernon, near Epernay 



(de la Marne). Lassaignc. 



Alumina .... 39-70 



Sulphuric acid . . 20 - 06 



Water 39'94 



Sulphate of lime . . 30 



100-00 



Schorl qfEibenstock in Saxony. 



Gmelin of Tubingen. 

 Boracic acid . . . 1-890 



Silica 33-048 



Alumina .... 38-235 

 Protoxide of iron . 23-857 

 Soda with Poiassa . 3-175 

 Lime, with a trace 



of magnesia . . 0*857 

 101-062 



Semi-opal, from Quegstein 



(Siebengebirge). Brandes. 



Silica ...'.. 86-000 



2-540 



0.843 



0-500 



0-032 



9-968 



99*883 



Ditto, with a woody texture, 



from Obercassel. Brandes. 

 Silica 93-000 



SlreiJcnsjHtth. Bernhardt and 



Brandes. 



Carbonic acid . . 42-500 



Lime 53-661 



Magnesia . . . 0-592 



Oxide of iron . . 1*376 



Oxide of manganese 0*308' 



Water 0-250 



Or, 98^687 



Carbonate of lime 94*4524 

 Carbonate ofmagnesia 1 *2210 

 Protocarbonate of iron 2*8000 

 Carbonate of manga- 

 nese . . . . 0-4995 

 Water .... 0*2500 

 99*2259 

 Calcareous Garnet o/*Lindbo. 

 IJisinger. 



Silica 37*55 



Peroxide of iron . . 31-35 



Lime 26*74 



Protoxide of manganese 4*78 

 100-42 



Pitchstone of Meissin. 

 Du Menil. 



Silica 73-00 



Alumina .... 10*84 



Protoxide of iron . 1-90 



Lime . . . . . 1*14 



Soda 1-48 



Volatile matter . . 9*40 



Protoxide of iron 

 Subsulphate of do. 

 Alumina . 

 Carbon . . . 

 Water . . . 



97*76 

 n Mora- 



Rubellite of Kozena, 

 via. Gmelin of Tubingen. 



Alumina . 

 Oxide of iron 

 Subsulphate of do. 

 Water . . . 



0-250 

 0-375 

 traces 

 6-125 



Boracic acid 



Silica 



Alumina .... 

 Oxide of manganese 



Lime 



Potassa . . . • 

 Lithia .... 



Volatile matter . . 



5*744 



42*127 



36*430 



6*320 



1*200 



2-4-05 



2*0 1-3 



1 313 



97*582 



99-750 



Lcpidocrocitc .• Siebengebirge : 



Brandes. 

 Oxide of iron . . . SS*00 

 Oxide of manganese . 0-50 



Silica 0-50 



Water 10-75 



99-75 



