German Minerals in the Krügerhaus, A New Permanent Exhibition in Freiberg, Saxony, Germany
by Andreas Massanek and Christina Seifert
Native silver, in bizarre shapes, as dendritic or curled wires, argentite and acanthite, polybasite and stephanite, freibergite, freieslebenite and argyrodite, and proustite in perfect crystals, all are presented, among others, in a mind-blowing array at the Krügerhaus.
Abstract
Pink Petoskey Stones from Northern Michigan
by George W. Robinson and Donald Reed
Petoskey stones have been collected in northern Michigan for more than a century and are familiar to many collectors.
Abstract
