Solid and Transparent Form of the Element Carbon
This page is the CodyCross answer for the clue below from Deserts of the world, Group 1620, Puzzle 3 (Yucca and Agave).
Question is: Solid and Transparent Form of the Element Carbon
and the answer is: DIAMOND
Word Meaning:
DIAMOND — (uncountable) A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
Definitions from Wiktionary.