Description: This is the Shijiangshanite specimen, from Inner Mongolia, China. Shijiangshanite is a newfound special Trigonal mineral by Chinese scientist team in 2022, which contain elements: Pb, Ca, Al, Si, O, H. This specimen wide around 4.3cm, many small red Shijiangshanite crystals on the white matrix, strong contrast, this is a specimen with a large number of crystals and important scientific significance!