Natural Etched Blue Chalcedony Specimens x 2 From Nsanje, Malawi RARE Size = 128 - 162

Size = 128 - 162 mm

is a Iron Oxide mineral renowned for its metallic luster and deep silver to black coloration

Size = 30 - 21 mm

Size = 88 - 133 mm

Piezoelectric energy arises when the resin’s natural shrinkage during curing exerts pressure on the embedded crystals

Natural Etched Blue Chalcedony Specimens x 2 From Nsanje, Malawi RARE Size = 128 - 162A NOTE FROM NICK A pair of large natural Etched Blue Chalcedony specimens, with a drusy and crystalline geode centres. The matrix has been completely removed from these Blue Agate geodes leaving just chalcedony and drusy crystal centres. Beauties! PRODUCT DESCRIPTION Gorgeous Etched Blue Chalcedony Pure Blue Agate Etched Blue Chalcedony, also known as Etched Blue Lace Agate, is a rare and captivating pure blue agate, showcasing a beautifully