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Description
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Ammonite cab ~
Offered here is an intriguing cabochon cut from a fossil ammonite, from Madagascar. The species is Cleoniceras madagascariense, and I'm told it lived hundreds of millions of years ago. This example is golden amber, a bit darker than marmalade jam, and shows a fascinating suture pattern of growth events which can be seen as white lines, many of which echo the shape of oak leaves. Those interlocking sutures are thought to have allowed the living ammonite to withstand the immense pressure of the underwater depths. Very translucent when backlit, and the backside has three sparkling druzy cavities. No doubt it'll make a fascinating piece of jewelry. The cab has a rounded dome of 5+mm, and a slick glossy polish both front and back.
Size: 37x29mm
Weight: approximately 44 carats
Price: SOLD See current gemstones for sale
 Ammonite
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