Is a zinc carbonate with formula ZnCO3. Hardness 4-4.5.
It is found in various part of the world, from Namibia to Mexico and China.
Is one of the most important ore for the extraction of Zinc and can be found in various colors.
here we have a very pleasant blue-green color with good translucency; this material comes from Kelly Mine, Magdalena District, Socorro Co., New Mexico
Weight: 12.31 ct.