35) Large Septarian Yellow Calcite Crystal Natural Art Amethyst is a purple variety

Amethyst is a purple variety of quartz (SiO2) and owes its violet color to irradiation

7 x 2 x 14 cm approx

Rose quartz : is a type of quartz which exhibits a pale pink to rose red hue

Black Moonstone palmstone

35) Large Septarian Yellow Calcite Crystal Natural Art Amethyst is a purple varietySeptarian Calcite Beautiful Septarian Crystal, expertly polished and a very striking piece Size : 13 x 9 x 11 cm approx. Weight : 2. 29 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