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Quantity
1
Description
Opalized Ammonite
Weight: 50.4 grams Approx. Dimensions: 2.25"x1.625"x.5"
During fossilization, the nacreous layer of some ammonites were chemically transformed into an iridescent material called ammolite, which is aragonite with varying mineral impurities that is considered to be an opal-like gemstone. Ammonite spirals work as a fil...