Or, as Pliny explains the import of the name (xxxvii.
40), " because these gems never come up to the colour of wine, since
before they touch it their lustre falls off into the colour of the viola " (i.e. pink cyclamen).
Pliny
divides the Amethystus into five kinds, the Indian holding the first
rank ; others coming from Arabia Petrasa, Armenia Minor, Egypt, and
Galatia ; inferior sorts from Thasos and Cyprus. The Indian displayed
the precise colour of the imperial purple; a variety of these
"degenerated into that of the Hyacinthus (Sapphire), and was
• Mohammed Ben Mansur affirma that wine drunk out of an amethyst cup does not intoxicate.