Imperial Porphyry; its special qualities which influenced ...
the stone''s extraction to the Tetrarchic period. During 1996 the Universities of Southampton and Exeter used nondestructive PXRF testing to characterize the [1] Mons Porphyrites quarries and [2] thirty artifacts carved from Imperial Porphyry . Their objective was to identify which quarry suppli ed the stone for a given artifact (Harrell,
Get Price