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Published online by Cambridge University Press: 01 May 2009
Some years ago I was asked to look through a collection of geological specimens in the Raffles Museum, Singapore, and found in a drawer two exceptionally large obsidianites. They were not labelled, and nothing could be ascertained about their history, but an assistant in the Museum said he thought they might have come from Kelantan, a State on the east coast of the peninsula. The weights of the two obsidianites were 464 and 316.4 grams. The former and larger of the two was entrusted to a local firm to cut in half, with the result seen in Pl. VII, Fig. 1. The photograph, nevertheless, shows that there is a group of vesicles in the centre. The photographs, which are natural size, also show that there is nothing unusual about the surface of these specimens (Pl. VII, Fig. 2).
