san·i·dine
| \ ˈsanəˌdēn, -də̇n \
plural -s
Definition of sanidine
: a variety of orthoclase in often transparent crystals in eruptive rock (as trachyte) that is thought to form at higher temperatures than adularia
— called also glassy feldspar
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“Sanidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sanidine. Accessed 15 May. 2021.
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