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Description
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Ammonite cab ~
Offered here is a large 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 shades of amber, and shows a fascinating suture pattern of growth events which can be seen as white lines, some of which resemble 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. When backlit, it shows a nice translucence that reminds me of marmalade jam. The backside has a shallow sparkling druzy area. No doubt it'll make a fascinating piece of jewelry! The cab has a well rounded dome of 5.5mm, a versatile designer shape, and a nice glossy polish both front and back.
Size: 40x26mm
Weight: approximately 40 carats
Price: SOLD See current gemstones for sale
 Ammonite
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