Answer: azurite

AnswerCrossword Clue
AZURITEBlue mineral
AZURITESemiprecious stone.
AZURITESemiprecious stone
AZURITESemi-precious stone
azuritegem of moderate value cut from this mineral
azuriteblue mineral, a hydrous copper carbonate, Cu3(CO3)2(OH)2: an ore of copper