noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A variety of feldspar, closely related to orthoclase

Synonyms

All synonyms

aventurineaventurine feldsparsunstonesunstone

Etymology

From helio- + -lite, from Ancient Greek ἥλιος (hḗlios, “sun”) and λίθος (líthos, “stone”); analogous to sunstone.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.