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<p>[QUOTE=&quot;fridolina, post: 3387145, member: 17433&quot;]Using a magnifying glass, try to look at your cameos from this angle:</p><p>[ATTACH=full]301416[/ATTACH]</p><p>You might be able to see some layering or a slight change of colour in the white part. This may not be as pronounced in your cameos.</p><p>Another sign for a hardstone is if the carving goes into the coloured layer as well.</p><p>[ATTACH=full]301417[/ATTACH]</p><p>This is by no means compulsory. I have another cameo with carving only into the white layer.</p><p>Also, I have noticed a glossy line running at the point where the white and coloured layer meet.</p><p>Finally, looking from the side where the two layers meet, turn the cameo around and see if the line is absolutely flat or slightly undulating. In natural stones the different layers rarely are absolutely flat.</p><p><br /></p><p>Obviously, these are my own observations and if I’m wrong in any of them I’ll be glad to be corrected.[/QUOTE]</p><p><br /></p>

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