siderite
nounEtymology 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
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences A widespread brown mineral, FeCO₃, having the structure of calcite.
2
An iron meteorite.
3
An indigo blue variety of quartz.
4
Obsolete Magnetic iron ore; lodestone.
- Synonyms
- chalybite, sparry iron, spathic iron
- Derived terms
- aerosiderite, holosiderite, mesosiderite, oligosiderite, phosphosiderite, sideritic, spherosiderite, xanthosiderite