Septarian Egg | 183g 9 Tail Fox Mineral: It is formed in

Mineral: It is formed in Nepheline syenites

Weight: 91g       Size: 93mm x 49mm x 11mm

Weight: 67g  Size: 118mm x 73mm x 43mm

Mineral: Calcium magnesium silicate

Weight:  99g      Size: H 88mm

Septarian Egg | 183g 9 Tail Fox Mineral: It is formed inWeight: 183g Size: H 65mm W 44mm (stand sold separately) (All measurements are approximate.) Septarian, also known as Dragon Stone, is a three color concretion made up of limestone, which is grey, and aragonite, which is brown. The word "Septaria," which is used to describe any concretion with internal fissures or cracks, is where the name derives. During the Cretaceous Period of Earth's history, between 50 and 70 million years ago, this unusual