Stibnite

минералогия стибнит, антимонит, сурьмяный блеск

Англо-русский научно-технический словарь

Stibnite

noun Etymology: alteration of obsolete English stibine stibnite, from French, from Latin stibium antimony, from Greek stibi, from Egyptian sṭm a mineral that consists of the trisulfide of antimony and occurs in orthorhombic lead-gray crystals of metallic luster or in massive form

Merriam-Webster's Collegiate Dictionary