Plumbogummite | blue pyromorphite pseudomorph crystal, rare mineral specimenPlumbogummite from China is a rare secondary mineral admired for its vibrant blue green hues and smooth, waxy surfaces that coat or replace pyromorphite. Chinese localities produce some of the worlds finest examples. These specimens stand out for their rich color saturation, attractive luster, and the fascinating pseudomorphs where plumbogummite has replaced sharply defined crystal forms. Size: 9 x 5. 5 Cm Weight: 65g ( Conversion: 1 inch = 2. 5 Cm )