| Abstract: |
In South and Southeast Asia, between the 4th c. BC and the 3rd c. AD two main types of glass dominate: a mineral soda alumina glass, also called m-Na-Al glass, and a potash glass. Other glass types exist, but those two glasses are by far the most common, and can be found in the forms of beads or small personal ornaments at almost every site from this period. Based on distinctive trace element patterns and archaeological evidence, it was established that the m-Na-Al glass was manufactured at different locations in South Asia and at different periods. This glass was traded as a raw material or finished objects though South and Southeast Asia. While the m-Na-Al glass and its different sub-types were discussed in great detail in several publications, the potash glass did not benefit from the same attention despite being of an equal importance. In an attempt to provide a better definition of potash glass and its sub-groups, using data obtained from four sites, Ban Don Ta Phet, Khao Sam Kaeo, Phu Khao Thong in Thailand and Arikamedu in India, that yielded large amounts of potash glass, questions related to the circulation and provenance of this glass type will be investigated.
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