OXFORD 9000
📚 noun • entry_id 23196

cummingtonite

/ˈkʌm.ɪŋ.təˌnaɪt/
Meanings (ES + gloss)
cummingtonita
A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)₇Si₈O₂₂(OH)₂.
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