GLOSSARY AND INDEX OF TERMS * 



Acicular, [Lat. acus, a needle,] 53. 



Adamantine, 56. 



Adit. [Lat. aditus, an entrance.] 

 The horizontal entrance to a 

 mine. 



Alkali. An oxyd having an acrid 

 taste, and caustic ; as potash, 

 soda. 



Alkaline. Like an alkali. 



Alliaceous, [Lat. allium, garlic,] 66. 



Alloy. A mixture of different met- 

 als (excluding mercury) by fusion 

 together. Also, the metal used 

 to deteriorate another metal by 

 mixture with it. 



Alluvial. [Lat. alluo, to wash over.] 

 Of river or fresh-water origin. 



Amalgam. [Gr. malagma, a sof- 

 tened substance.] A compound 

 of mercury and another metal. 



Amalgamation, 326. 



Amorphous, [Gr. a, not, and morphe, 

 shape,] 54. 



Amygdaloidal, 339. 



Anhydrous. [Lat. a, not, and 

 hudor, water.] Containing no 

 water. 



Arborescent. [Lat. arbor, tree.] 

 Branching like a tree. 



Arenaceous. [Lat. arena, sand.] 

 Consisting of, or having the gritty 

 nature of, sand. 



Argentiferous. [Lat. argentum, 

 silver.] Containing silver. 



Argillaceous. [Lat. argilla, clay.] 

 Like clay ; containing clay. 



Arsenical odor, 66. 



Asparagus green. Pale green, with 

 much yellow. 



Assay. [Same etymology as essay.] 

 To test ores by chemical or blow- 

 pipe examination ; said to be in 

 the dry way, when done by means 

 of heat, (as in a crucible,) and in 

 the wet way, when by means of 

 acids and liquid tests. 



Assay. The material under chem- 

 ical or blowpipe examination. 



Astringent, 66. 



Asteriated. [Gr. aster, star.] Hav- 

 ing the appearance of a star 

 within. 



Augitic. Containing augite. 



Auriferous. [Lat. aurum, gold.) 

 Containing gold. 



Axes, 24 ; of double refraction, 59. 



Basaltic, 339. 



Bath stone. A species of limestone ; 

 called also Bath oolite ; named 

 from the locality, in England. 



Bevelment, beveled, 35. 



Bitter, 66. 



Bittern, 106. 



Bituminous. Containing bitumen ; 

 like bitumen. 



Bladed. Thin blade-like. 



Blast furnace, 233. 



Blowpipe, 67 ; tests, 69, 70 : imple- 

 ments, 68, 69. 



Blue-jo' in. Name for fluor spar, 

 used in Derbyshire, where it often 

 has a bluish-purple color. 



Botryoidal, [Gr. botrus, a bunch of 

 grapes,] 53. 



Boulder, bowlder. Loose rounded 

 mass of stone. 



Breccia. 



Brittle, 53, 65. 



Calcine. [Lat. calx, burnt lime- 

 stone.] To heat, in order to drive 

 off volatile ingredients, and make 

 easy to be broken or pounded. 



Calcination. The process of cal- 

 cining. 



Carat, 82, 



Carbon. Pure charcoal. 



Carbonate. A salt containing car- 

 bonic acid. Carbonated ; con- 

 taining carbonic acid, as carbo- 

 nated springs. 



* The number after a word signifies the page where it is explained 

 The etymology is given in brackets, wherever it was deemed important 



