Gemini's Brightest Star and Castor's Twin Brother

This page is the CodyCross answer for the clue below from Renaissance, Group 1393, Puzzle 5 (Hardwick Hall).

Question is: Gemini's Brightest Star and Castor's Twin Brother

and the answer is: POLLUX

Word Meaning:

POLLUX — (mineralogy) A variety of petalite always found with castor.

Definitions from Wiktionary.

Gemini's Brightest Star And Castor's Twin Brother - Renaissance CodyCross Answers | CodyCross Solutions