chank shells 🐚

Kuzhippalli Skaria Mathew · 1995 · ‎Snippet view
the seventh century , Sri Lanka was situated in the middle of the southwest seas and the island had a surfeit of treasures ... Exports sent from Sri Lanka were pearls , gems , chank shells , tortoise shell , pepper , cinnamon , cloves and herbs ..
Martha Chaiklin, ‎Philip Gooding, ‎Gwyn Campbell · 2020 · ‎Preview · ‎More editions
This chapter examines the trade in chanks, a marine shell that is extracted from the ocean bed near southeastern India and Sri Lanka. Diving for chanks (also known as conch shells) and pearls ...