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glaucophane in French

glaucophane

noun

(mineral) A blue amphibole mineral, a mixed aluminate of sodium, magnesium and aluminium that exhibits pleochroism, with the chemical formula Na2(Mg,Fe2+)3Al2Si8O22(OH)2.

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Translations from WikDict, CC BY-SA · example sentences from Tatoeba, CC BY 2.0 FR.