Silica based gems - Crossword Clue. 2 answers found

Silica based gems
Crossword Clue
**We have found 2 answers to crossword clue "Silica based gems"**
**The Best Answer: 10/10**
Answer	Crossword Clue
OPALS	Silica-based gems
OPAL	Silica-based mineral

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.