Terms containing OPAL

Subject	German	English
met.	edler Opal	precious opal
met.	edler Opal	noble opal
coal., chem.	gemeiner Opal	common opal
mining.	gemeiner Opal	semiopal
industr., construct.	Opal-Masse	mass opal
industr., construct.	Opal-Matrix	opal matrix
mining.	roter gemeiner Opal	rubolite
industr., construct.	Scharzer Opal	black opal
chem.	schwarzer Opal	black opal