siderite

A noun referring to either a mineral form of iron carbonate used as an iron ore, or a type of meteorite composed mainly of nickel and iron.

• 🇨🇳名词，指菱铁矿，即碳酸铁矿物，可用作铁矿石；也指主要由镍和铁组成的铁陨石。

1. Iron ore mineral C1 formal scientific

   A mineral composed of ferrous carbonate (FeCO3), which is an important ore of iron.

   • Siderite is often found in sedimentary rock formations.
   • The mine extracted siderite for iron production.
   • Geologists identified siderite deposits in the region.

   🇨🇳铁矿石矿物

   同义词: chalybite

2. Iron meteorite C1 formal scientific

   A type of meteorite consisting mainly of nickel and iron.

   • The siderite meteorite was composed of over 90% iron.
   • Scientists studied the siderite to understand the early solar system.
   • A large siderite was discovered in the desert.

   🇨🇳铁陨石