23) Large Septarian Yellow Calcite Crystal Volcanic Glass All the organic materials have

All the organic materials have been replaced with minerals (mostly a silicate

A dreamy large crystal cluster of beautiful blues

Condition: Overall exceptional

A 470natural specimen of high grade from Madagascar

Size: 12 x 6

23) Large Septarian Yellow Calcite Crystal Volcanic Glass All the organic materials haveSeptarian Calcite Beautiful Septarian Crystal, expertly polished and a very striking piece Size : 12 x 5. 5 x 5 cm approx Weight : 685g approx Location : Madagascar You will receive the exact crystal pictured Septarian: A result of volcanic eruptions, dead sea life was chemically attracted to the sediment around them, forming mud balls. As the ocean receded, the balls dried and cracked. Due to their bentonite content they also shrank in size and