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<p>[QUOTE=&quot;Any Jewelry, post: 322348, member: 2844&quot;]Ancient Bi discs are very rare.</p><p>Ancient jades do not look like modern jades, they are often much duller in colour. They tend to have a soft sheen.</p><p>This one could be jade, but the question is, how old. That is a question no one can answer from pictures. You will need an expert to look at it in person, and maybe analyze the stone and the carving marks.</p><p>The rounded sides make me think this is a later Bi/replica, but I am no expert on early jades. The rough pitting is a bit strange.</p><p>One of the things that is often looked for is shimmering bits in the stone. Those bits are mica extrusions which appear on the surface of jade after centuries of exposure to certain soils/conditions. I have an authenticated Liangzhu carving from an old collection that has that. I&#039;ll see if I can take a photo of it.</p><p>Mica can also appear on non-Neolithic pieces, it is on one of my antique jade snuff bottle as well.[/QUOTE]</p><p><br /></p>

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