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- Title
SAND FOR ROMAN GLASS PRODUCTION: AN EXPERIMENTAL AND PHILOLOGICAL STUDY ON SOURCE OF SUPPLY*.
- Authors
Silvestri, A.; Molin, G.; Salviulo, G.; Schievenin, R.
- Abstract
This paper reports the results of an experimental study performed on Campanian littoral sand, together with a careful philological analysis of Pliny's text concerning the production of glass using the above sand in order to verify its suitability. Accurate chemical and mineralogical characterization of sand samples and experimental glasses was carried out, proving the unsuitability of sand for glass production in its original state. Taking into account both the results of the philological analysis of Pliny's text and the mineralogical assemblage of the sand, a new hypothesis regarding Roman glass-making technology is proposed and tested here. The technology implies the production of ‘quartz-enriched’ sand by means of selective grindings according to the different degrees of hardness and cleavage of the mineralogical phases. Melting experiments, carried out on treated sand and in the temperature range compatible with Roman technology, yielded a glass with composition similar to those of typical Roman glasses. Therefore, new perspectives on the sources of supply of raw materials, hitherto debated, are opened up.
- Subjects
SAND; RAW materials; GLASS grinding &; polishing; MINES &; mineral resources; NATURAL resources; GLASS industry; ROMAN glassware
- Publication
Archaeometry, 2006, Vol 48, Issue 3, p415
- ISSN
0003-813X
- Publication type
Article
- DOI
10.1111/j.1475-4754.2006.00264.x