Baryte, Galena, Silver, Siderite, Acanthite
Robinson Mine, Kokomo-Tenmile area, Summit County, Colorado, USA
Dark grey cellular masses of silver with numerous wires, most altering to acanthite, associated with zoned barite crystals, rounded aggregates of siderite rhombs and galena crystals and masses. Highly altered clasts of porphyritic rock are incorporated in the crystallized mass.
Ex M.L. Leonardi specimen, Ex Mackay School of Mines, Keck Museum ...
© 10xminerals Co.