13) Black Septarian Calcite Crystal crystal pyramid crystal formation and small natural

crystal formation and small natural imperfections are to be expected and form part of its individual character

Size: 18 x 12 x 12 cm approx

Like other quartz gems

Size : 5 inch approx

13) Black Septarian Calcite Crystal crystal pyramid crystal formation and small naturalSeptarian Calcite Large Septarian Crystal, expertly polished and a very striking piece Size : 13 x 4. 5 x 9 cm approx. Weight : 962g 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