Amethyst under polarized light Size:M: 60 x 45cm The car had great success

The car had great success in rallies in the Far East

1st April 1980

Cottage in Hyde Park

Jochen Mass

Plate 16 from the book Icones rerum naturalium

Amethyst under polarized light Size:M: 60 x 45cm The car had great successSixteen 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