Freiberg, Germany/freiberg255
Previous | Home | NextThis is an old photograph of the Himmelfürst, source of the argyrodite (silver germanium sulfide) which Winkler processed and analyzed to find the new element germanium.
Freiberg, Germany/freiberg255Previous | Home | NextThis is an old photograph of the Himmelfürst, source of the argyrodite (silver germanium sulfide) which Winkler processed and analyzed to find the new element germanium. |
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