46 x 22 mm Coated Free Form - FFC 17 - アンモライト ルース フリーフォーム
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コーティング済み
産地：カナダ アルバータ州 ベアポウフォーメーション
Geological Time: Cretaceous Period, + /- 71,000,000 years ago.
This stone has a protective shell of epoxy resin over it to protect the gemstone and amplify the stones natural beauty.
Ammonite fossils and large collector pieces are most often coated as well for both stability and to bring out their colors.
