DENSITY OF VARIOUS SOLIDS. 



Table 95. 



Substance. 



Pumice stone 

 Quartz 

 Resin . 

 Rociv crystal 

 Ri)cl< salt . 

 Sal ammoniac 

 Saltpetre 

 Sand : 



Dry . 



Damp 

 Sandstone . 

 Selenium 

 Serpentine . 

 Shale . 

 Silicon 



Siliceous earth 

 Slag, furnace 

 Slate . 

 Snow, loose 



Clraninies 



per cubic 



C(;atimetre. 



0.37-0.9 



2.65 



1.07 



2.6 

 2.2S-2.41 



1. 5-1.6 

 1.95-2.08 



I.4O-I.65 

 1.90-2.05 



■i^i T r 



4.2-4.S 



2.43-2.66 



2.6 



2.0-2.5 

 2.66 



2-5-3-0 

 2.6-2.7 



0.125 



Pounds 



per cubic 



fout. 



23-56 

 ,65 



67 



162 

 142-150 

 94-100 

 122-130 



S7-103 

 1 19-128 



137-156 

 262-300 

 152-166 



162 

 125-156 



166 

 156-187 

 162-168 



7.8 



Substance. 





Soapstone, Steatite 

 Soda: 



Roasted . 



Crystalline 

 Spathic iron ore 

 Starch 

 Stibnite 

 Strontianite 

 Syenite 

 Sugar . 

 Talc . 

 Tallow 

 Tellurium 

 Tile . 

 Tinstone 

 Topaz 

 Tourmaline 

 Trachyte 

 Trap . 



Grammes 



per cubic 



centimetre. 



2.6-2.8 



1-45 

 3-7-3-9 



1-53 

 4.6-4.7 



3-7 

 2.6-2.8 



1.61 



2.7 



.91-.97 



6.38-6.42 



1.4-2.3 



6.4-7.0 



3-S-3-6 



2.94-3.24 



2.7-2.8 



2.6-2.7 



Pounds 



per cubic 



foot. 



162-175 



90 

 231-243 



o95 

 287-293 



231 



162 



100 



168 

 570-605 

 398-401 



87-143 

 399-437 

 219-223 

 183-202 

 168-175 

 162-170 



Table 96. 

 DENSITY OR MASS IN GRAMMES PER CUBIC CENTIMETRE AND POUNDS 

 PER CUBIC FOOT OF VARIOUS ALLOYS (BRASSES AND BRONZES). 



Smithsonian Tables. 



85 



