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[Subject: Mineralogy]
- Hdróxido de hierro natural hidratado, de color pardo amarillento o rojizo, con brillo terroso, es una alteración de minerales y hierro
Translated in 5 languages
[Subject: Relation Of Natural Factors]
- Mena de hierro natural
Translated in 2 languages
[Subject: Generalities]
Translated in 1 languages