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Definition of Feldspathoid
1. Noun. (minerology) Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica-poor variants of the feldspar group. ¹
2. Adjective. (minerology) Resembling a feldspar. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Feldspathoid
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