Rich specimen from Langban, Filipstad, Varmland Sweden 4.5 cm (1-3/4")w x 3 cm (1-3/16") d x 1 cm (3/8") thick.
Named in Honor of a illustrious chemist Baron Berzelius of Stockholm, Sweden by Dr.E.D. Clarke and Holmes of Cambridge U.,Mass. in 1818. Taken from Blackwood's Edinburgh Magazine on Literary and Scientific Intelligence.