Stannite

[stænait]

解釋/意思:

(noun.) a dark grey mineral with a metallic luster that is a source of tin.

珍妮整理--From WordNet

解釋/意思:

(n.) A mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron.

校對:齐利格