Crosswords Solver

Answer: coesites
Answer	Crossword Clue
coesites	rare form of silicon dioxide, a denser polymorph of quartz, originally synthesized from quartz at high temperatures and pressures: later discovered in nature
coesites	COESITE, a type of silica (a form of silicon, also SILEX)

Crossword

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

Answer: coesites