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Definition of Harkerite
1. Noun. (minerology) A trigonal-hexagonal scalenohedral colorless mineral containing aluminum, boron, calcium, carbon, hydrogen, magnesium, oxygen, and silicon. ¹
¹ Source: wiktionary.com
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1. Noun. (minerology) A trigonal-hexagonal scalenohedral colorless mineral containing aluminum, boron, calcium, carbon, hydrogen, magnesium, oxygen, and silicon. ¹
¹ Source: wiktionary.com