noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A colorless transparent mineral of the zeolite family consisting of hydrous cesium aluminum silicate and occurring massive or crystallizing in cubes.
2. 2
   a rare mineral that is an important source of cesium wordnet

Etymology

From Pollux + -ite, named after Pollux, the twin of Castor, as it is often found associated with castorite (now petalite).

Related phrases

hydrous cesium aluminum silicate

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