INTRODUCTION. 
3 
&3 
< 
I. STONES 
I. EARTH Y.< 
"Scratch 
PRINCIPAL SPECIES. 
Diamond. . . Diamond. 
Zircon Jargoon. 
{Oriental sapphire 
Oriental ruby. 
Emery. 
{Topaz* 
Emerald. 
. . Precious garnet. 
C Crystal. 
] Flint. 
) Agate. 
{^Opal. 
f Clay Pure clay. 
j Clay slate. . . Roofing slate. 
Will not < Mica Moscovy glass. 
Ruby. . 
Schorl. . 
Garnet. . 
Quartz. . 
scratch 
jjlass. 
j Soapstone . . Fuller's earth. 
L 
Talc ... 
Lime. . 
i 
I Barytes. 
/ Talc. 
\ Asbestos. 
C Limestone. 
\ Phosphat of lime. 
) Fluor spar. 
(^Alabaster. 
II. SALTS. 
III. COMBUSTIBLES . 
i V. METALS. 
"l. MALLEABLE 
Strontian. 
Alumine . . . Alum. 
Magnesia . . . Epsom salt. 
Soda f Common salt. 
\ Borax. 
Potash Nitre. 
Ammonia. . . Sal-ammoniac. 
Sulphur. . . . Sulphur. 
C Naphtha. 
Bitumen. . -j Coal. 
l^Jet. 
Graphite . . . Black-lead. 
L Resin Amber. 
Platina .... Platina. 
Gold Gold. 
Mercury . . . Mercury. 
Silver Silver. 
Copper Copper. 
Iron Iron. 
Tin Tin. 
Lead Lead. 
Nickel Nickel. 
Zinc Zinc. 
' Arsenic . . . 
Bismuth . . 
, . . ^ Cobalt 
| Manganese. 
I &c. &c. 
Arsenic. 
Bismuth. 
Cobalt. 
Manganese. 
