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Yellow Septarian Freeform 11.5cm
Yellow Septarian Freeform, crystal for sale from Madagascar. This splendid 11.5cm tall yellow septarian nodule dates from the Cretaceous period, it is a fossilised mud ball which over millions of years cracked and then dried out, Calcite then leaked into the cracks to form the distinctive patterns that is displayed in this polished freeform. ideal for the collector or for an impressive interior decor piece.