Native silver etched branching formation on matrix. The Allargentum appears intergrown with Silver . It is clearly differentiated and dominant in the analysis of the sample, so the right label is Allargentum. The Allargentum forms arborescent growths on a Calcite-rich matrix Very aesthetic specimen much better in person. I'm trying to show You specimens and crystals hand selected, not usual, beautiful and pricey. condition as on pictures. Color is very difficult to reproduce in the pictures. Some pictured specimens show slightly different shades that seen with a human eye. Generally in my opinion the colors in reality are slightly prettier.