Answer | Crossword Clue |
---|---|
pyrites | marcasite |
marcasitical | of or like marcasite |
marcasites | MARCASITE, sulphide of iron in orthorhombic crystals |
pyrites | very common brass-yellow mineral, iron disulfide, FeS2, with a metallic luster, burned to sulfur dioxide in the manufacture of sulfuric acid: chemically similar to marcasite, but crystallizing in the isometric system |