chamosite

A greenish grey or black mineral composed of a silicate of iron and aluminum.

• 🇨🇳一种呈绿灰色或黑色的矿物，由铁和铝的硅酸盐组成，属于绿泥石族。

1. Iron-aluminum silicate mineral C2 formal scientific

   A greenish-grey to black mineral composed of iron and aluminum silicate, typically found in sedimentary rocks.

   • Chamosite is often found in iron-rich sedimentary deposits.
   • The sample contained a high concentration of chamosite.
   • Geologists identified chamosite in the rock formation.

   🇨🇳铁铝硅酸盐矿物