Crystal Mineral, Often Used in Jewelry
This page is the CodyCross answer for the clue below from Sports, Group 154, Puzzle 1 (Javelin Throw).
Question is: Crystal Mineral, Often Used in Jewelry
and the answer is: QUARTZ
Word Meaning:
QUARTZ — (mineralogy) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
Definitions from Wiktionary.