80 



SPECIFIC GRAVITY TABLES. 



6th. BASIC AND AMMONIO-SULPHATES. 



Name. 



'^ Turpeth mineral. 

 " Basic copper sulphate. 

 '^ « zinc « 



'® Linarite. 

 " Brochantite. 



^^ Waringtonite. 

 ^"Langite. 



'^^ Silver ammonio sul- 

 phate. 

 ^^ Copper « " 



^'"' Zinc « « 



" Tetramercurammoni- 

 um sulphate. 



Formula. 



Hg S O,. 2 Hg O. 

 4 Cu 0. S O3. 4 H, O. 

 4 Zn 0. S O3. 4 Hj O. 

 Pb 8 O,. Cu H, O.,. 

 2 Cu S 0,. 5 Cu H2 O2 



CuS0,.3CuH,0;.H,0. 



Ag, S 0,. 4 N H3. 

 Cu S O,. 2 N H3. 

 Cu S O,. 2 N H3. 3 H^ O. 

 CuSO,.4NH3.H2 0. 



• (( 



Zn S O,. 2 N H3. 

 (N, HgJ S O,. 2 H, O. 



Specific 

 Gravity. 



8.3<9- 



3.082. m. of 2. 



3.122. 



543- 



378-3.87. 



3.9069. 



3.39-3.47. 

 3.48-3.50. 



2.918. m. of 2. 



2.476. 



I -950. 



f Large 

 I.790.iCryst. 



2.479. 



7.3I9- 



Boiling Melting 

 Point. Point. 



AUTHORITIES. 



