Yellow Septarian Sphere 5.6cm

Yellow Septarian Sphere, crystal for sale from Madagascar. This splendid Sphere is 5.6cm diameter and is very tactile and displays rich yellow calcite crystal. It 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 are displayed in this Sphere. ideal for the collector or healer or as an unusual display piece.