A mild green colour, like that of the mineral.
A bright green mineral, a basic copper carbonate, Cu₂CO₃(OH)₂; one of the principal ores of copper.
Of a colour ranging from olive-taupe to a mild to deeply-rich (at times seemingly translucent) green, like that of the mineral which is present on oxidized copper.
A pale greenish-blue colour, like that of the gemstone.
A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.
turquoise
Having a pale greenish-blue colour.
Made of turquoise (the gemstone).