Lot 1125
Double Rainbow Ammonite Plate. Ammonites that reflect brilliant colors are the most highly valued of ammonites and when cut and polished have the name Ammolite as a gemstone used for jewelry. This pair of 3.25 inch Caloceras jehostoni 150 million year old ammonites come from the lower Lias beds of Somerset, United Kingdom. The brilliant rainbow colors consist of vivid reds, greens, oranges with flashes of yellow. These iridescent colors result from light refracting through the thin platelets of aragonite and conchiolin which are the materials from which the ammonite built it shell. The rainbow ammonites are nicely contrasted against the 10.75 x 9 inch black slate matrix along with a .75 inch ammonite near the corner.
Add $20 for domestic shipping.
Estimated Value $650 - 850.
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