60 PHYSIOGRAPHY. 



Native Amalgam Native Antimony. 



2. Before the Mow-pipe, the mercury is driven off, and a globule of 

 pure silver is obtained. 



3. Analysis. 



By KLAPROTH. ByCoRDiER. 



Silver - - 34-8 - - 27-50 



Mercury - - 65-2 - - 7250 

 4. It is found accompanied by other ores of silver and mercury, and 

 by Iron Pyrites, at Moschellandsberg in the Palatinate, and at Rosenau 

 in Hungary. It is said also to have been met with in Fiance, Spain and 

 Sweden. 



NATIVE ANTIMONY. Antimony Mel aeon e 



Metal. 



Primary form. Rhomboid. P on P =117 15'. 

 Secondary form. 



Fig. 319. 



Cleavage, parallel with o highly perfect, and possessing 

 a strong lustre ; parallel with P distinct, and easily ob- 

 tained, but showing a less degree of lustre ; parallel with a:, 

 obtained with difficulty, and interrupted ; faint traces par- 

 allel with u. The surface of o is triangularly streaked, of 

 P in a horizontal direction, and parallel with its edges. 

 Fracture not observable. 



Lustre metallic. Color tin-white. Streak unchanged. 



Rather brittle. Hardness ~ 3-0 ... 3*5. Sp. gr. = 

 6-646, the Swedish variety. 



