Where does “argentopyrite” come from?

argentopyrite (English) comes from English pyrite, from Old French pyrite, from Latin pȳritēs, from Ancient Greek πῡρίτης λίθος, from Ancient Greek πῦρ, from Proto-Hellenic *pāwər.

argentopyrite (English): An orthorhombic-dipyramidal mineral containing iron, silver, and sulfur

Definitions

An orthorhombic-dipyramidal mineral containing iron, silver, and sulfur

Ancestry of “argentopyrite”, step by step

Step	Language	Word	Meaning
1	English	pyrite	The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system
2	Old French	pyrite	—
3	Latin	pȳritēs	pyrite
4	Ancient Greek	πῡρίτης λίθος	stone of fire, flint
5	Ancient Greek	πῦρ	a fire; lightning; a fever
6	Proto-Hellenic	*pāwər	—

Every word from Proto-Hellenic *pāwər →Every word from Ancient Greek πῦρ →Every word from Ancient Greek πῡρίτης λίθος →