This hill has an altitude of 1,688 feet above the sea, and is formed by the eruption of a coarse dark-coloured crystalline trap through a base of amorphous sandstone, the direction of the range of which it forms a part being nearly north and south.

The third's a lesser room of purest glass; The fourth's smallest, but passeth all the former In worth of matter: built most sumptuously, With walls transparent of pure crystalline.

Adj. transparent, pellucid, lucid, diaphanous, translucent, tralucent^, relucent^; limpid, clear, serene, crystalline, clear as crystal, vitreous, transpicuous^, glassy, hyaline; hyaloid [Med.], vitreform^. 426.

[Footnote 10: 'moves not but in the moving of his sphere,'The stars were popularly supposed to be fixed in a solid crystalline sphere, and moved in its motion only.

"The cold of the nights made them clasp closer; the sighs of their lips seemed to them deeper; their eyes, that they could hardly see, larger; and in the midst of the silence low words were spoken that fell on their souls sonorous crystalline, and reverberating in multiplied vibrations.