MINERALOGY. 243 



Natjckhoff, G. Kopparhaltig Geokronit Mn Bjorkskogsnas. [Cu- 

 priferous Geokronite from Bjorkskogsnas,] Geol. f oren. Stockholm 

 Pdrhandl. bdt. i. p. 88. 

 Analysis as follows : — lead 57*95, copper 5*93, iron 0*11, antimony 

 17-33, sulphur 17*73 ; giving the formula (Pb, 5Cu2, re)S . SbSg. 



— . Mineralogiska notiser frSn Filipstads bergslag. [Mine- 



ralogical notices from the Filipstad mining district.] Geol. foren. 



Stockhohn Forhandl. bdt. i. pp. 166-168. 



The minerals noted during a summer tour are : — aragonite, apo- 



phyllite, orthoclase, axinite, epidote, diopside (with analysis), man- 



ganophyll, titanite, crystallized magnetic iron-ore, native silver, and 



bismuth-glance. • G. A.L. 



Nattmaitn, C. F. Elemente der Mineralogie. Ed. 9. Svo. Leipzig. 



Nemtnabz, E. F. Klinochlor von Chester Cty., Pennsylvania. Min. 



Mitt. Heft ii. pp. 176, 177. 

 Analysis of clinochlore from Chester Co., Pa. 



. Magnesiaglimmer von PenneviUe, Pennsylvania. Min. Mitt. 



Heft iii. pp. 241, 242. 

 Analysis of a magnesia-mica from Penneville, Pa. 



Newberry, J. C. Laboratory Eeport of Analyses, Examinations, 

 and Assays of Specimens from Mining Districts. Mineral Sta- 

 tistics of Victoria for 1873. No. 8. Melbourne. 



NiEDERstADT, B. Estremadura-Phosphorit. Ber. deutsch. chem. 



Gcs. pp. 107, 108. 

 Four analyses of phosphorite from Estremadura, Spain. 



NoRDENSKioLD, A. E. Mincralicr frSn Nohl, niiraKongelf. [Minerals 

 from Nohl, near Kongclf.] Geol. foren. Stockholm Forhandl. 

 bdt. i. pp. 7-9. 

 The minerals mentioned are Epidote, Gadolinite (?), and Nohlite, 

 Of the last an analysis is given. 



. Kristallografisk och kemisk undersokning af nSgra fluor- 



mineralier frSn Ivituk i Gronland. [Crystallographical and che- 

 mical investigation of some fluor minerals from Ivituk, Greenland.] 

 Geol. foren. Stockholm Forhandl. bdt. ii. pp. 81-88, 2 figs, 

 in text. 

 The minerals described are Rahtonite^ with analysis, and Thorn- 

 senolite, with analysis and figures of crystals. 



. Om Cacholong. K. Vet.-Akad. Forhandl. no. 5, pp. 3-6. 



Analysis given, which gives to the mineral tho formula 6(110 . SiOj) 

 + SiO,. 



Nordstrom, Tn. Sumpgasutveckling och fynd af bemsten vid en 

 djupborming i Sk&ne. [On development of marsh-gas and dis- 



r2 



