Enter a clue or pattern or both:
The Clue
Quartzes (7 letter answer)
The Answer
SILICAS
Tags
Notes
The answer SILICAS is so rare that it appears less than once every 2500 puzzles.
Definition
SILICA as a noun:
1. (silica, silicon oxide, silicon dioxide) = a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechartelierite