Description
Several vugs in native Arsenic are richly lined with well developed and multifaced deep red Proustite crystals. The Proustites here are sharp edged and almost excellent terminated. Luster and transparency are very good and as little bonus you´ll find on the backside a fibrous and metallic, unidentified species, probably a member of the Boulangerite-Jamesonite series. Definitely choice material, mined in the 1960s.