9) Black Septarian Calcite Crystal Rough Crystal The color is usually considered

The color is usually considered as due to trace amounts of titanium

Weight : 445g

Pendant size : 3 x 1

Unique Brown Opal Crystal Sphere

New find from Madagascar - Zedbradorite - Feldspar with Smoky Quartz

9) Black Septarian Calcite Crystal Rough Crystal The color is usually consideredSeptarian Calcite Large Septarian Crystal, expertly polished and a very striking piece Size : 12 x 8 x 8 cm approx. Weight : 1. 2 KG 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