This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...