[ 45i ] 
Do. old looking-glafs plate of a light 
colour. Hanks bee. . • 2.88$ 
Do. green. Fremd. . . • 2.8 57 
Do. green bottle, Hauksbee. . . 2.746 
Do. of a bottle. Oxf Soc. It. a blue 
pade. Hauksbee. . . • 2.666 
D°. common green. Hauksbee. . 2.620 
Do. deep green old. Hauksbee* . 2 787 
D°. vulgar. Newton. Ward. . . 2.y8o 
Vitrum Venetum. Freind. * . 1.791 
An oriental Cat’s-Eye, very perfeft. Hauksb. 3.703 
A Diamond, yellow, of a fine water, fome- 
what paler than the jonquille. Hauksbee. 3.666 
D°. white of the fecond water, eau celede. 
Hauksbee. . . . *3'. 540 
D°. Ead Indian, the heayied of many. 
Ellicot. . . . . f.fif 
D°. the lighted of many. Ellicot. . 3.5" 12 
D°. Brasilian, the heavied of many. 
Ellicot. . . . . 3‘.5’2i 
D°. the lighted of many. Ellicot . . 3-yoi 
D°. the mean of all his experiments. Ellic. 3. 517 
D°. Newton. C. . . . . 3400 
Diamond Borr, of a bluifh black, with 
fome little adhering foulnefs. Hauksbee . 3495: 
A Jacinth of a fine colour, but fomewhat 
foul. Hauksbee. . .. . 3.637 
A Chryfolite. Hauksbee. . .. . 3.360: 
Chrydal cubic, fuppofed to contain lead. 
Woodward. . . . . .3.100 
Chrydal from Cadleton in Derbyfhire, hav- 
ing the double refra&ion. Hauksbee.. 2.724* 
Chrydal of Ifland.- Newton . C. . . 2.720’ 
ChrydalluiUi 
