IMPERFECTLY EXAMINED MINERALS. 247 



S. 



SAPPARITE, Schlotheim. H. above 4-0. L. vit. C. pale berlin-blue. 



Streak greyish-white. 



SAPHIRIN, Strom. H. above 7-0. Sp. Gr. 3-4. L. vit. C. sapphire- 

 blue. Streak white. Trans. 

 SCHEERERITE, Strom. Rather heavier than water. Very friable. C. 



whitish. L. pearly. In loosely aggregated grains and folia. 1 

 SELENIURET OF LEAD AND COBALT, Rose. Resembles Galena. 



Frac. granular. 

 SELENIURET OF LEAD AND COPPER, Rose. C. lead-grey. Frac. 



granular. 



SELENIURET OF LEAD AND MERCURY, Rose. Sp. Gr. 7*8. 

 SELENIURET OF SILVER, Berzel. 

 Cuivre seleni6 argental, Hatiy. 

 Eukairite, Berzel. 



C. lead-grey. In small six sided tables with truncated angles. 

 SELENIURET OF SULPHUR, Strom. 

 SILICATE OF IRON, (Bodenmais.) 

 SKORIAN, Breit. 

 SORDAWALLITE, NordenskiMd. H. 5-0.. .6-0? Sp. Gr. 253. L. vit. 



C. greenish or greyish-black. Massive. Frac. conchoid. 

 STROMNITE, Traill. Sp. Gr. 3*7. C. yellowish-white. L. feeble, but 



pearly. 



SULPHURET OF SlLVER AND COPPER, Phillips. Soft. Sp. Gr. 6'25. 



L. met. C. blackish lead-grey. Massive. Comp. impal. 



T. 



TELLURIC BISMUTH, Berzel. L. met. C. silver-white. Massive, 

 broad foliated. 



TEPHROITE, Breit. H. 5-0. ..6-0. Sp. Gr. 4-1. L. adaman. C. ash-grey. 



TESSERALKIES, Breit. 



TUNGSTATE OF LEAD, Phillips. L. res. C. yellowish-grey. Crys- 

 tals acute four sided pyramids, aggregated in bunches. 



U. 



URANIUM VITRIOL, Johns. L. vit. C. emerald and apple-green. In 

 capillary crystals. 



V. 



VAUQUELINITE, Leonhard. H. 2-5. ..3-0. Sp. Gr. 5-5, ..5-78. L. ada- 

 man. C. some dark green. In minute crystals, and massive. 



