SPECTACULAR AND UNIQUE OF THIS SPECIMEN OF PYRITE WITH GIANT CRYSTALS WITH MATRIX, FROM NAVAJUN. UNIQUE PIECE IN THE WORLD WITH THESE CHARACTERISTICS. MAIN GLASS 6.5 X 6.5 CM LOWER GLASS 6 X 6 CM AND 5 X 5 CM
Pyrite is a mineral that contains 53.5% sulfur and 46.5% iron.
In most cases, Pyrite is solid, fine granular or globular. Insoluble in water.
Its name derives from fire, since when rubbing it with other metals it emits sparks.
It is also known as "fool's gold" or "poor man's gold" because of its great resemblance.