Pyrite (octahedral) inclusions in quartz

Weight: 8.72 ct
Size: 20.0 x 17.1 x 4.8 mm


Spectacular inclusions of pyrite crystals in quartz from Brazil.
Octahedron pyrite crystals, some of them forming aggregates of several octahedral crystals.
One can often find pyrite flat rectangular or rounded epigenetic inclusions formed in quartz fractures after its formation, but these crystals are perfectly formed syngenetic inclusions!
Unique sample for gemologists, micromount and inclusions collectors!

Color: colorless quartz with yellow brilliant pyrite cystals as inclusions
Cut: irregular triangle cabochon
Origin: Brazil