A simple yet stunning cubic Pyrite crystal set on a Marl matrix with blue Lithium Chloritoids  from Navajun, La Rioja, Spain 🇪🇸 
A huge single crystal measuring approximately 3.7 cm square ✨🌟💫
Pyrite for positive attitude, action and manifestation ⚡️
 
Pyrite is an iron sulphide mineral and its name is derived for the Greek word for fire.
The crystal structure of pyrite is simple cubic, and this is shown to great effect in this piece 🌟