Pyrite cube on matrix

Pyrite Cube On Matrix Natural From Huanzala Mine Ancash Region Peru Size- 4.4cm x 4.2cm x 3.3cm Weight- 70g You will receive the item in the photo Mineral class- sulfide Crystal system-Isometric/cubic Common forms-sharp cubes, pyrithoedrons (12 sided faces) and octahedrons. Rock formation inside volcanic: Sedimentary rocks-forms in organic rich shales,limestone and coal beds via bacterial sulfate reduction in low oxygen marine environments. Igneous rock- Occurs as a primary accessory mineral or separates from cooling magma. Metamorphic rocks- created through regional or contact metamorphism altering pre existing iron bearing minerals. Hydrothermal veins- precipitates out from hot metal rich underground fluids cooling in rock fractures.