Bohemian crystal

II, White Bottle ok Chemical Glass.—Under this head may be included white glass for medicinal bottles and chemical purposes, refractory Bohemian glass for tubing, et cetera, and foreign crown. The most beautiful material for bottles is furnished by flint-glass or crystal, but these are only intended for ornamental articles Or vessels for the table, and will be alluded to under Flint-glass. 

Rose quartz Bohemian ruby Pink to rose-red, translucent to semi-transparent, rarely transparent Usually cloudy with fractures, massive, rarely forms crystals, color fades on exposure to heat or sunlight... 

Sb, Hg). To complete the test the Cu is removed, washed, and dried between folds of filter- paper, without removing the deposit The copper, with its adherent film, is rolled into a cylinder. and introduced into a dry piece of Bohemian tubing, about 4 inch in diameter find six inches long, which is held at the angle shown in Fig. 29 and heated at the point containing the copper. If the deposit consists of aisenio a white deposit is formed at a, which contains briUirat specks, and when examined with a magnifier is found to consist of minute octahedral crystals, Fig. 30. 

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