Very rare ammolite, opalescent Placenticeras
Discovery site: Cardston, province Alberta - Canada -
Ammolite is an opal-like organic gemstone.
It is found primarily along the eastern slopes of the Rocky Mountains.
It is made of the fossilized shells of ammonites. Ammolite is also known and offered as calcentine and Korite.
- Amolit mare
- Denumire Științifică
- Opaleszierender Placenticeras
- Canada provincie Alberta
- Perioada Geologică
- CRETACIC - Cretacic Inferior, Albian (100.5-113.0 milioane de ani)
- Bună pregătire
- 12×35×70 mm
- 43 g