kongsbergite

kongsbergite

[′kaŋz‚bər‚gīt]
(mineralogy)
A silver-rich variety of a native amalgam composed of silver (95) and mercury (5).
References in periodicals archive ?
One of these was "kongsbergite"--the varietal name some people give to native silver when it gets sufficiently high in mercury; these pieces have been found to contain 10% Hg.
The second lot is characterized by arborescent masses of tiny crystals scattered through a soft argillaceous matrix; the dull gray specimens contain 10% mercury, and consequently have sometimes been labeled with the old varietal name, "kongsbergite."
From Spain Jordi Fabre had a fine suite of kongsbergite, a new species for the country, collected early this year from an old silver mine at Roza de Santa Matilde, Les Herreires, Almeria, recently cut by a quarry working a related barite deposit.