An olive-green, grey-green, or brown orthorhombic silicate of magnesium and iron which is a common mineral in basic igneous rocks. Also: (a member…

With modifying word: any of certain ores or minerals containing a significant quantity of tellurium, typically forms of nagyagite or sylvanite.

A rare mineral consisting of lead telluride, typically occurring in massive aggregates of yellow-tinted tin-white metallic crystals.

Nickel telluride, NiTe2, an opaque reddish-white mineral which crystallizes in the trigonal system and occurs as hexagonal scales.

A rare mineral consisting of mercury telluride, having a greyish-black colour and metallic lustre and typically occurring as granular masses in…