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Are iridescent ammonites real?
1 Answer

Yes, iridescent ammonite fossils are real. Their eye-catching, multicolored glow is formed from fossilized ammonite shells and is highly coveted by collectors and home decor enthusiasts. Ammonites can be any color, but iridescent ammonites are considered rarer than any solid hue. Browse a selection of iridescent ammonite fossil specimens on 1stDibs.
1stDibs ExpertApril 5, 2022
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Shop for Iridescent Ammonite on 1stDibs
Large Red Iridescent Ammonite Fossil
Located in Wormelow, Herefordshire
A large red iridescent ammonite fossil dating from the late cretaceous period (100.5 – 66 million years ago).
Category
Antique 15th Century and Earlier Natural Specimens
Materials
Stone
Fossil Agate Coral with Iridescent Ammonites
By Interi
Located in Columbia, SC
Fossil agate coral adorned with iridescent fossil ammonites.
The grey piece of fossil agate coral is cut and polished and adorned with the iridescent ammonites that perfectly coor...
Category
Antique 15th Century and Earlier American Organic Modern Natural Specimens
Materials
Agate, Coral
Iridescent Ammonite wall plate
Located in London, GB
Ammonites are perhaps the most widely known fossil. These creatures lived in the seas between 240 - 65 million years ago, when they became extinct along with the dinosaurs.
This lar...
Category
Antique 18th Century and Earlier British Collectibles and Curiosities
17th Century Italian 'Florence Fragment' Candlestick with Iridescent Ammonite
By Interi
Located in Columbia, SC
17th Century Italian candlestick base from Tuscany saved from the Florence flood and topped with free formed iridescent ammonite. This fragment is from a church in Florence.
Category
Antique 17th Century Italian Rococo Mounted Objects
Materials
Rock Crystal
Iridescent Rainbow Ammonite Fossil
Located in London, GB
This dazzling, iridescent ammonite fossil is a spectacular natural masterpiece dating to the Late Cretaceous, around 75 million years ago.
Category
Antique 15th Century and Earlier Canadian Prehistoric Natural Specimens
Materials
Shell
Set of 15 Natural Prehistoric Ammonite Fossil Specimens
Located in Wormelow, Herefordshire
Most of these specimens are sourced from various UK locations, with the exception of one iridescent ammonite sourced from Dakota, USA.
The set includes some smaller pyritised ammoni...
Category
Antique 15th Century and Earlier English Natural Specimens
Materials
Natural Fiber


