| Answer | Crossword Clue |
|---|---|
| sideritic | relating to siderite, carbonate of iron |
| chalybite | native iron carbonate, aka siderite |
| chalybites | CHALYBITE, native iron carbonate, aka siderite |
| ankerite | carbonate mineral related to dolomite but with iron replacing part of the magnesium |
| siderite | common mineral, iron carbonate, FeCO3, usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron |
| ferric | of, relating to, or containing iron |
| siderotic | relating to siderosis, a sort of pneumonia occuring in iron workers |
| mafic | of, relating to, or being a group of usually dark-colored minerals rich in magnesium and iron |
