264 MINERALOGY. 



Williams, Charles P. Note on the occurrence of Antimony in 

 Arkansas. Trans. Amer. Inst. Min. Eng. vol. iii. pp. 150, 151. 



Note on the discovery of stibnite in association with galena in Servier 

 Co., in S.W. Arkansas. The mineral contains, in addition to sulphide 

 of antimony, small quantities of bismuth, arsenic, and iron. F. W. R. 



Wurtz, Dr. Henry. Preliminary Note upon the Carbonite, or so- 

 called "Natural Coke" of Virginia. Trans. Amer. Inst. Min. 

 Eng. vol. iii. pp. 456-458. 

 According to the writer's examination of this substance it is a 

 peculiar coal, and has not been altered to coke. 



Young, C. A. The Occurrence of Celestine in Blair County, Penn- 

 sylvania. Proc. Ac. Nat. Sci. Philadel. pt. i. pp. 127, 128. 

 Occurs in beds of irregular thickness (up to nearly an inch) in a 

 hard limestone slate. 



Zepharovich, Ritter von. Mineral ogische Mittheilungen. Sitz. h. 

 Ak. Wiss. Wien, math.-nat. CI. Abth. I. Bd. Ixxi. pp. 253-282, 

 3 plates, 8 woodcuts. 



1. Aragonite crystals from Eisenerz and Hiittenberg. Crystals from 

 the first locality are noticeable for deficiency of brachydomes with a 

 higher value of the chief axis than 4, &c. Many new faces are observed 

 and tabulated ; from the second locality they are in ankerite- cavities on 

 the borders of the siderite deposit, and are mostly polysynthetic ; 

 further new faces are described. 2. Arsenic crystals from Joachimsthal 

 — needles 1*5 mm. long and '5 mm. broad, with appearance of a rhombic 

 prism surmounted by a flat brachydome, being rhombohedral twins. 

 Analysis, 90-6 arsenic, 4*6 nickel, with some iron and trace of antimony. 

 3. Crystalline forms of Cronstedtite. Prom Pribram were measured 

 scalenoedra ; also a hemimorphic form of basal pinacoid with acute 

 rhombohedron, OB(lll) : 3E(722) = 85°-3|' mean of several localities, 

 but is not considered so reliable as Maskelyne's original measurement 

 of Cornish crystals. E. B. T. 



. Mineralogische Notizen vom Hiittenberger Erzberge in 



Karnten. [Mineralogical Notices of Ores from the Hiittenberg, 

 Carinthia.] Prague. 



Zerrenner, Carl. Bemerkungen zur Terminologie. [Remarks on 



Terminology.] 3Iin. Mitt. Heft i. pp. 35-39. 

 Suggestions for classification of different kinds of crystals which 

 exhibit layers or coats (KrystaUschalen), such as capped quartz. 



. Silberglanz. 3Iin. Mitt. Heft i. p. 40. 



• Note on the crystalline form of specimens of silver-glance. 



. Dichroit. il^m. i¥/«. Heft i. p. 40. 



Announces the occurrence of twin crystals of dichroite at Bodenmais, 

 in Bavaria. 



