More ideas from William
Marsdon Magna Marble  --  Highly Polished, Embedded With UK Fossils Including British Ammonites  --  Jurassic Period  --  Approximately 200 MYO  --  Fossils Direct

Marsdon Magna Marble -- Highly Polished, Embedded With UK Fossils Including British Ammonites -- Jurassic Period -- Approximately 200 Million Years Old -- Via Fossils Direct

Sphenodiscus lenticularis, Fox Hills Formation, South Dakota. Late Cretaceous (~ 70 mya). Both sides of this handsome specimen display the extraordinarily intricate suture patterns that are characteristic of this species. Also evident is part of the beautifully iridescent nacreous layer. A laterally flattened ammonite, this animal is thought to have been a relatively fast swimmer.

Ammonite,Sphenodiscus lenticularis, from the Fox Hills Formation, South Dakota.Both sides display intricate suture patterns and an iridescent nacreous layer. This laterally flattened Ammonite is thought to be a fast swimmer.

Sugilite ~ NChwaning II Mine, Kuruman, North Cape Province, South Africa

Sugilite ~ NChwaning II Mine, Kuruman, North Cape Province, South Africa