A variety of onyx that is marked by evenly spaced bands of sards (reddish-brown coloured) contrasting with the white colour of the adjacent bands and hence often used to make acameo with the raised design and the background in different colours.
Sardonyx
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Explanation on sardonyx by adin antique jewelry
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Sardonyx
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A variety of onyx that is marked by evenly spaced bands of sards (reddish-brown coloured) contrasting with the white colour of the adjacent bands and hence often used to make acameo with the raised design and the background in different colours.
Also known as:
References
From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson
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