description Pyrite Overview
Pyrite is a common iron sulfide mineral with the chemical formula FeS2. It usually crystallizes in the cubic system and is recognized by its metallic luster and pale brass-yellow color, which give rise to the name fool's gold. Pyrite is harder and more brittle than gold and can occur in igneous, metamorphic, and sedimentary rocks. It has been mined as a source of sulfur and has also been cut or polished for specimens, ornaments, and limited jewelry use.
help Pyrite FAQ
What is pyrite made of?
Pyrite is an iron sulfide mineral with the chemical formula FeS2. It commonly crystallizes in the cubic system.
Why is pyrite called fool's gold?
Pyrite has a pale brass-yellow color and metallic luster that can resemble gold. It is harder and more brittle than gold, so the nickname reflects its misleading appearance.
How can pyrite differ from real gold?
Pyrite is usually more brittle and harder than gold, while gold is notably malleable. Pyrite's cubic crystals and brass-yellow color are also useful clues when identifying it.
What color and crystal shape does pyrite commonly have?
Pyrite commonly appears pale brass-yellow with a metallic shine. Its frequent cubic crystals are a characteristic feature of the mineral.
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