Unique Madagascan septarian sphere mineral piece
This septarian sphere makes a unique display piece, perfect for a bookcase or coffee table. With its chic cocoa and cream tones, it will bring a touch of class to any room in your home.
With its naturally occurring patterns this piece is truly one of a kind, making it the perfect gift for that extra special person in your life.
Septarian is a type of concretion, which forms in sedimentary rock when pores between granules are filled and cemented together. The septaria (from the Latin for something that encloses or partitions) form angular cracks commonly infilled by calcite or siderite. The shrinkage cracks may have formed from the dehydration of clay-rich or gel-rich material towards the centre of the concretion.
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