Page:Theophrastus - History of Stones - Hill (1774).djvu/153

 that is a carce tone, and found in but few Places: It ought, however, to be ranked with thee Stones, as it poees a like Quality.

LIV. There are, beide thee, many other Gems ued for the engraving Seals: As the Hyaloides, which reflects the Images of Things, and is pellucid; the Carbuncle, and the Omphax; as alfo Crytal, and the