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Definition of Graftonite
1. Noun. (minerology) A monoclinic-prismatic mineral containing calcium, iron, manganese, oxygen, and phosphorus. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A monoclinic-prismatic mineral containing calcium, iron, manganese, oxygen, and phosphorus. ¹
¹ Source: wiktionary.com