Answer | Crossword Clue |
---|---|
lazulites | An azure-blue mineral with a glasslike luster |
stannite | mineral, iron-black to steel-gray in color, with a metallic luster, copper iron tin sulfide, Cu2FeSnS4: an ore of tin |
dawsonite | orthorhombic mineral, hydrous sodium aluminum carbonate, NaAlCO3(OH)2, with a vitreous luster, occurring as white blade-shaped crystals: mined as an ore of aluminum |