![File:Ammolite from Placenticeras fossil ammonite (Bearpaw Formation, Upper Cretaceous, 70-75 Ma; mine in St. Mary River Valley, Alberta, Canada) 13 (40630260954).jpg - Wikimedia Commons File:Ammolite from Placenticeras fossil ammonite (Bearpaw Formation, Upper Cretaceous, 70-75 Ma; mine in St. Mary River Valley, Alberta, Canada) 13 (40630260954).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/63/Ammolite_from_Placenticeras_fossil_ammonite_%28Bearpaw_Formation%2C_Upper_Cretaceous%2C_70-75_Ma%3B_mine_in_St._Mary_River_Valley%2C_Alberta%2C_Canada%29_13_%2840630260954%29.jpg)
File:Ammolite from Placenticeras fossil ammonite (Bearpaw Formation, Upper Cretaceous, 70-75 Ma; mine in St. Mary River Valley, Alberta, Canada) 13 (40630260954).jpg - Wikimedia Commons
![My piece of ammolite; one of the few biogenic gemstones, made of the fossilized shells of ammonites that lived about 145 to 66 million years ago: : r/interestingasfuck My piece of ammolite; one of the few biogenic gemstones, made of the fossilized shells of ammonites that lived about 145 to 66 million years ago: : r/interestingasfuck](https://i.redd.it/my-piece-of-ammolite-one-of-the-few-biogenic-gemstones-made-v0-t2mtsh7em0n81.jpg?width=3024&format=pjpg&auto=webp&s=58776303e327d961876b439e48d3034c34bb487e)
My piece of ammolite; one of the few biogenic gemstones, made of the fossilized shells of ammonites that lived about 145 to 66 million years ago: : r/interestingasfuck
![Auction CLOSED! Free shipping 🌈Auction!! **Please read the description - Ammonite Rainbow アンモナイトレインボー Auction CLOSED! Free shipping 🌈Auction!! **Please read the description - Ammonite Rainbow アンモナイトレインボー](https://cdn.shopify.com/s/files/1/1153/6484/products/IMG-6386.jpg?v=1648018711)
Auction CLOSED! Free shipping 🌈Auction!! **Please read the description - Ammonite Rainbow アンモナイトレインボー
![Canadian Ammolite 36 x 24 x 5mm Auction #265930 Gem Rock Auctions | Minerals and gemstones, Minerals crystals rocks, Stones and crystals Canadian Ammolite 36 x 24 x 5mm Auction #265930 Gem Rock Auctions | Minerals and gemstones, Minerals crystals rocks, Stones and crystals](https://i.pinimg.com/originals/34/93/8e/34938e2efb04668df4ed4e6a63ef3647.jpg)
Canadian Ammolite 36 x 24 x 5mm Auction #265930 Gem Rock Auctions | Minerals and gemstones, Minerals crystals rocks, Stones and crystals
![Auction CLOSED! Free shipping 🌈Auction!! **Please read the description - Ammonite Rainbow アンモナイトレインボー Auction CLOSED! Free shipping 🌈Auction!! **Please read the description - Ammonite Rainbow アンモナイトレインボー](https://cdn.shopify.com/s/files/1/1153/6484/products/IMG-6399_9782841d-abf7-44ba-85f7-bfbe8e29e16d.jpg?v=1648018711)