Pyrite - Zlatograd, Bulgaria | Ref. 544

Pyrite from Zlatograd – Bulgaria (2008)

This pyrite from Zlatograd features two massive, intergrown crystals with fine striations and a bright golden metallic luster.

The overall shape is pyritohedral rather than cubic, a form observed in some secondary Bulgarian occurrences.

Its well-preserved surface gives a uniform and appealing golden sheen.

Width: 50 mm × Height: 33 mm – Weight: 218 g (including stand)

🟢 Mineralogical Information

- Name: Pyrite

- Chemical formula: FeS₂

- Crystal system: Cubic (crystallization here mainly pyritohedral)

- Color: Metallic gold

- Hardness (Mohs): 6 – 6.5

- Density: 4.9 – 5.2