Nagyágite with Rhodochrosite

The Archduke Stephan Collection contained many rare mineral species, including this excellent specimen of the lead-gold-tellurium-antimony sulphide Nagyágite.  This specimen is from the Nagyágite type locality at Săcărâmb (Nagyág) in Romania.  Bright silver plates of Nagyágite to 5 mm long and wide by about 0.2 mm thick richly line vugs and crevasses in a bed of pale pastel-pink Rhodochrosite rosettes averaging 2 to 6 mm across.  A hard manganese-rich layered and veined  rock forms the underlying matrix.  An excellent specimen of Nagyágite from Romania.
Ex. the Mineral Collection of Archduke Stephan Franz Viktor of Hungary (1817 to 1867), with a historic Archduke (Erzherzog) Stephan label incorporating his coat of arms.  This label measures 7.0 x 5.0 cm and has been heavily trimmed, so losing much of the printed and hand-written text, but does still retain the complete coat of arms and the catalogue number 495/14.  A small label bearing this same number is glued beneath the specimen plus a Carl Rumpff label, dated 1889.  It is understood these labels were trimmed by curators at the Museum of Natural History of the Humboldt University in Berlin, to fit within their specimen boxes, after being bequeathed by Carl Rumpff’s widow in late 1889.  The specimen comes with one of the unique green card boxes which the Archduke had specifically made to house the specimens.