siderite

From Ancient Greek σιδηρίτης (sidērítēs, “made of iron”), from Ancient Greek σίδηρος (sídēros, “iron”), or from Latin sideritis (“lodestone”), from Ancient Greek σιδηρῖτις (sidērîtis, “loadstone”). By surface analysis, sider- + -ite.

1. 01
   derived from σιδηρῖτις — “loadstone”
2. 02
   derived from sideritis — “lodestone”
3. 03
   derived from σίδηρος — “iron”
4. 04
   derived from σιδηρίτης — “made of iron”