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[Subject: Mineralogy]
- Minerale di colore giallo che lo fa assomigliare all'oro. Si trova in Messico, Spagna e Italia.
Translated in 16 languages
Translated by: TZUNG-HSIEN CHEN
Translated in 6 languages
[Subject: Chemistry]
- Alcuni minerali metallici solfuro
Translated by: SYLVIA VERGARA
Translated in 3 languages
[Subject: Generalities]
Translated by: DAVID LAURENT
Translated in 10 languages