Ygi
Yangite (PbMnSi3O8·H2O) is a chain-silicate mineral, first discovered within the Kombat mine in Namibia. The mineral is named after Hexiong Yang, a researcher at the University of Arizona's Department of Geosciences. Yangite was approved as a valid mineral species by the International Mineralogical Association in 2012, its description was published in 2016. Occurrence Yangite was initially found within a specimen taken from the Kombat mine, located in the Otavi Valley, Namibia. The specimen was obtained from John Innes, a senior mineralogist of the Tsumeb Corporation. Yangite occurs in an ore defined as an epithermal association. This ore type forms with narrow veins composed of galena, rhodochrosite, helvite, and barite. Physical Properties Yangite is colorless, ranging to pale brown when exposed to transmitted light. The mineral has a vitreous luster and streaks white. Yangite maintains a Mohs hardness of five, and demonstrates perfect cleavage along . There is no evidence ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   [Amazon]