Quartz Aggregate That Is a Birthstone for March

This page is the CodyCross answer for the clue below from Fantasy World , Group 873, Puzzle 1 (Loch Ness Monster).

Question is: Quartz Aggregate That Is a Birthstone for March

and the answer is: JASPER

Word Meaning:

JASPER — (obsolete) Any bright-coloured kind of chalcedony apart from cornelian.

Definitions from Wiktionary.