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Definition of Cummingtonite
1. Noun. (chemistry) : A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)7Si8O22(OH)2, originally discovered in Cummington, Massachusetts. ¹
¹ Source: wiktionary.com
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1. Noun. (chemistry) : A mineral, magnesium-iron silicate hydroxide, (Mg,Fe)7Si8O22(OH)2, originally discovered in Cummington, Massachusetts. ¹
¹ Source: wiktionary.com