Dral crystals, sometimes dodecahedral; also arboerscent or as wires or scales twinning common
HARDNESS: 2.5 -3
SPECIFIC GRATIVY: 10.5
COLOR: silvery white often with grey to black tarnish
LUSTER: metlic
OTHER FEATURES: mable and ductile
NAME: from the Old English word for metal
Found in oxidation zone of ore deposits with other silver minerals;
also hydrothermal veins. From many in the world; notable specimens from
Konssberg (Norway); Freiberg Aue and (east Germany); Jachymov (Czechoslovakia)
Huancha (Bolivia); Hancock, Michigan (USA); from Junanxi (China). Forms
a series with Gold.
Here are some links and pictures:
