AP20 Berzeilainite

Skrikerum Mine, Valdemarsvik, Östergötland, Sweden

6.3x 4.0x 2.0 cm

$220

An old (and very rich) specimen of this rare copper selenide with calcite, from Sweden. 

Berzelianite is known from a number of localities worldwide, however the best specimens were found long ago at a couple localities in the Czech Republic, and at the Skrikerum Mine, in Sweden.