Sizing information
| Overall size (inc frame) | x cm ( x in) |
| Depth | cm (in) |
| Artwork | x cm ( x in) |
| Border (mount) |
cm
top/bottom
(in)
cm left/right (in) |
| The paper size of our wall art shipped from the US is sized to the nearest inch. | |
Our framed prints
Every framed picture is created by hand in our workshop by specialist framers.
Black, white, silver, gold or natural frames available, supplied ready to hang.
All our frames have a smooth satin finish, and measure 20mm (front face) by 23mm (depth from wall).
Read more about our framed art prints.
Manufactured in the UK, the US and the EU
All products are created to order in our print factories around the globe, and we are the trusted printing partner of many high profile and respected art galleries and museums.
We are proud to have produced over 1 million prints for hundreds of thousands of customers.
Delivery & returns
We print everything to order so delivery times may vary but all framed pictures are despatched within 3 days.
Delivery to the UK, EU & US is free when you spend £75. Otherwise, delivery to the UK costs £10 for a single framed print.
We will happily replace your order if everything isn’t 100% perfect.
Product images of Amethyst under polarized light
Product details Amethyst under polarized light
Amethyst under polarized light
Sixteen 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 hundred specimens.' Plate 10 from the paper 'On the effects of compression and dilatation in altering the polarising structure of doubly refracting crystals', by David Brewster, originally published in Transactions of the Royal Society of Edinburgh, volume 8 (1818) pp.281-286. Inscribed with figure numbers and bottom right 'W.H.Lizars Sculpt. Edinr..' Sir David Brewster (1781-1868) Scottish physicist was elected a Fellow of the Royal Society in 1815.
Original: engraving. 1816
- Image ref: RS-10062
- The Royal Society
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