Amethyst under polarized light Size:M: 60 x 45cm and the city must surrender

and the city must surrender soon

28th September 1966

The car had great success in rallies in the Far East

showing the intended Commercial and Collier Docks

Amethyst under polarized light Size:M: 60 x 45cm and the city must surrenderSixteen figures showing specimens of amethysts viewed under polarized light and exhibiting veined structures. Brewster notes in his text: 'The observations are the result of an immense variety of experiments, which accidental circumstances put it in my power to make upon this interesting mineral. Having access to whole bagfuls of amethystine pyramids from the Brazils, in the possession of Mr Alexander, lapidary in Edinburgh, I have examined some