Acanthite, Sphalerite

Unknown Owner

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Sharp, lustrous, tabular acanthite crystals to 6 mm are nicely scattered on the vuggy cabinet matrix partially surrounding the face of a thin vein of reddish-brown sphalerite microcrystals on this fine and rich ore specimen from a very uncommon Pribram locale - Uranium Mine No. 7 at Trebsko. Specimens from this mine are rarely available. Ex. Josef Vajdak Collection, a noted Pribram specialist and comes with another label indicating that the piece was collected in 1969.