Specific 

 Gravities. 



448 



Gas, ammoniacal 



HYDRODYNAMICS. 



Sir II. Davy. 

 Biol and Arago. 

 carburetted hydrogen, Thomson. 

 Sir II. Dany. 

 Cruicksliaiik. 

 Dalton. 

 arsenical hydrogen, 



phosphuretted hydrogen, Haiiy. 

 Sir II. Davy. 

 hydrogen, 



Gehlenite, 



Girasol, . . 



Glance-coal, slaty, 



Glass, crown of St Louis, 

 flint of M. Dartigues 



Thomson. 

 Sir H. Davy. 

 Biot and Arago. 



Fuchs. 

 Biisson. 

 Melherie. 

 Klaproth. 

 Cauchoix, Biot. 

 Cauchoix, Biot. 



0.590 



0.59669 



0.555 



0.491 



0.678 



0.600 



0.852 



0.435 



0.073 



0.074 



0.072098 

 2.78 

 4.000 

 1.300 

 1.530 

 2.487 

 3.20 

 S.I 92 



f 0.1 M 



flint used by Mr Tully for his achromatic J 3.334 



crown, 

 comir 

 yelloi 

 whit 

 StG. 

 gall, 

 bottle, 

 Leith c 

 green, 

 borax, 

 fluid, 

 ofBol 

 fCh 

 ofSt( 

 animal, 

 mineral, 



tears, or Rupert's drops of flint glass, 

 Glauberite, . . . . . . 2.700 



Gold, native, \ j ' Q 



pure, of 24- carats, fine, fused, but not 



hammered, . . Hauy. 19-2587 

 the same hammered, . . 1 9.342 

 English standard, 22 carats, fine, fu- 

 sed, but not hammered, . 18.888 

 guinea of George II. . . 17-150 

 guinea of George III. . . 17.629 

 Parisian standard 22 carats, not ham- 

 mered, . . . 17.486 

 the same hammered, . . 17-589 

 Spanish gold coin, . . . 17.655 

 Holland ducats, . . 19.352 

 trinket standard, 20 carats, not ham- 

 mered, .... 15.709 

 the same hammered, . . 15.775 

 Portuguese coin, . . 17.9664 

 French money 2 14 carats fused, 17.4022 

 coined, . . 17.6474 

 French, in the reign of Louis XIII. 17.5531 

 Granite, red Egyptian, . . . 2.6541 

 grey Egyptian, . . . 2-7279 

 beautiful red, . . . 2.7609 

 ofCirardmor, . , . 2.7163 

 violet of Gyromagny, . . 2.6S52 

 red of Dauphiny, . . 26431 

 green, . . 2.6836 



Granite, radiated, of Dauphiny, . . 2.6678 



redofSeraur, . . . 2.6384 



grey of Bretagne, . . . 2.7378 



yellowish, .... 2.6186 



of Carinthia, blue, . Kirtvan. 2.9564 



Granitelle, ... . . 3.C626 



of Dauphiny, 2.8465 



Graphic ore, . Mullcr. 5.723 



Graphite. See Plumbago. 

 Grenatite. See Slauraiide. 



Gum Arabic, .... 1.4523 



tragacanth, 1.3161 



seraphic, . . . . 1.201 



cherry tree, ... . 1.4817 



Bassora, . . . . 1.4346 



Acajou, . ... . 1.4456' 



Monbain, . .. . 1.4206 



Gutte, . .. .. . 1.2216 



ammoniac,. . . , 1.2071 



Gayac, . . . 1.228,0 



liquid, from Botany Bay Thomson. . 1.196 



lac, .... 11390 



anime, Eastern . . . 1.0284 

 Western . . . 1.0426 

 Gunpowder in a loose heap, . . 0.836 

 shaken, . . . 0.<)32 

 solid, . . . 1.745 

 Gypsum, opaque, . . . 2.1679 

 compact, specimen in the Leskean col- 

 lection, . . . 2.939 



f 1.872 

 compact, . . . { 2.288 



impure, ... . 2.473 



foliated, mixed with granular lime- 

 stone, 



semitransparent, 

 fine ditto. . , 



opaque, 

 rhomboiclal, 

 ditto, 10 faces, 

 cuniform, crystallised, 

 striated of France, 



of China, . 

 flowered, 

 sparry opaque . 



semitransparent, 



Gypsum, granularly foliated, in 

 collection, 



Kirrvan. 



2.725 

 2.3062 

 2.2741 

 2.2642 

 2.3114 

 2.3117 

 2.3060 

 2.3057 

 2.3088 

 2.3059 

 2.2746 

 3.3108 

 the Leskean 



Kirtvan. 2.900 

 2.473 



mixed with marl, of a slaty form, 



H 



Harmotome, or Cross Stone, . . 2.3333 



Hazel, . . . Muschcnbroek. 0.606 



Hauyne, or Latialite, . . . 3.20 



Heavyspar. See Baryles, sulphate of. 



Heliotrope, or Blood Stone, . Kirecan. \ 



Blumenbach. 2.633 

 Hematites. See Ironstone. 

 Hollow spar, Chiastolite, . . . 



Hone, razor, white, 



penetrated with water, 

 razor, white and black, 

 Honey, 



Honeystone, or Mellite, . 



Hornblende, common, 



resplendent, Labrador, 

 Schiller spar, 



2.944 



2.8763 

 2.8839 

 3.1271 

 1.4500 



ru 



Abich.l 1.666 

 ' 3.600 

 3.830 

 3.350 

 3.434 



Kirrvan. 



Specilc 

 Gravities 



Kirwan. 

 Kinuan. 



2.882 



