tephrite

From Latin tephrītis and Ancient Greek τεφρῖτις (tephrîtis). By surface analysis, tephro- +‎ -ite.

tephrite (countable and uncountable, plural tephrites)

1. (geology) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.

• tephritic

• “tephrite”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• Perthite, perthite