SYNONYMES, AND PRIMARY FORMS. 491 



in the fracture, although opaque; and the 

 measurements of all agree with those of Red 

 silver. The Iron would appear therefore to 

 be an accidental ingredient of the specimen 

 analysed. 



of Silver and Iron ; Flexible sulphuret. A 



right oblique-angled prism ; M on T, 125*. 

 Sinople, see Quartz, jasper. 

 Skolezit, see Needle-stone. 



Skorodite ; see Copper, Arseniate of Copper and Iron. 

 Skorza, see Epidote, granular, 

 Smaragdite, see Amphibole. 

 SOAPSTONE. 

 SODA ; Natron. 



Borate; Borax; Pounxa ; Swaga; Zala; Tincal. 



crystallised. An oblique rhombic prism^ P on M 

 or M', 101 30' ; M on M', 133 30', as mea- 

 sured by W. P, 

 carbonate ; Borech. 

 fibrous, 

 earthy. 



muriate ; common Salt, 

 crystallised. A cube. 

 fibrous, 

 amorphous, 

 nitrate, 

 sulphate, 

 fibrous, 

 earthy. 



of Soda and Lime ; Brongniartin; Glauberite. 



An oblique rhombic prism ; P on M or M', 

 104 15'; M on M 7 , 83 30'. 



, of Soda and Magnesia ; Reussite. 



Sodaite, see Fettstein. 



SODALITE, from Greenland. A rhombic dodecahedron. 



from Vesuvius. A rhombic dodecahedron^ but is 

 probably a distinct species, as it is ranked by 

 Berzelius. 

 Sommite, see Nepheline. 



SoilDAWALJTE, 



Speckstein, see Steatite. 



Specular iron, see Iron, oxide, anhydrous. \ 



SPHEROLITE. 



Aequinolite, supposed to belong to this species, 

 Sphero-siderite, see Iron, carbonate, 

 Spheiie, see Titanium, oxide, siliceo-calcareous. 

 3 Q 2 



