Krennerite

krennerite from nagyag, hungary (nowadays Romania)

Krennerite
Krennerite
Krennerite
Krennerite
Krennerite
Krennerite
Krennerite
4,250.00 *Prices include VAT
Article codeII.D.1630.001

This is a extreme rare excellent Krennerite specimen from the type locality Sacarîmb mining area in Romania (ex-Hungary territory) with a large group interconnected,  silver-white to brass-yellow coloured, crystals.
Krennerite is a silver-gold telluride which can contain variable amounts of silver in the structure; It was discovered in 1878 in the goldmines at Nagyag in Hungary, nowadays, Sacarîmb, Romania
There are only few minerals that contain gold and tellurium in their structure. The rare mineral Krennerite is one of them.  
Both of the chemically similar gold-silver tellurides, calaverite and sylvanite, are in the monoclinic crystal system and krennerite is an orthorhombic gold telluride mineral    .
Dimensions: 38 x23 mm.

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We obtained the piece a very old German collection; its from a family legacy.
The piece is from the private collection of “obersteiger” Ludwig Weber (1877-1969).
He worked as a (upper)foreman (supervisor) at several mines in different parts in Europe.
The piece comes with a original label (partly stamp / handwritten).