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.

siderite (countable and uncountable, plural siderites)

1. (uncountable, mineralogy) a widespread brown mineral, FeCO₃, having the structure of calcite.

   Hypernym: iron ore

2. (countable) an iron meteorite
3. An indigo-blue variety of quartz.
4. (obsolete) magnetic iron ore; lodestone

• chalybite
• sparry iron
• spathic iron

• David Barthelmy (1997–2025) “Siderite”, in Webmineral Mineralogy Database.
• “siderite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2025.

• IPA^(key): /si.deˈri.te/
• Rhymes: -ite
• Hyphenation: si‧de‧rì‧te

siderite f (plural sideriti)

1. (mineralogy) siderite

• diesteri, disterei