perthite
perthite · perthites
A laminated mixture of two feldspars: plagioclase and either orthoclase or microclineA laminated mixture of two feldspars: plagioclase and either orthoclase or microcline.
Meaning
1 senses(countable, uncountable)A laminated mixture of two feldspars: plagioclase and either orthoclase or microcline.
Origin
From Perth, Ontario + -ite.From Perth, Ontario + -ite.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: perthitesWord family
4 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable