SKU: 0249_3-RS
An interesting specimen consisting of a combination of massive covellite with finely crystalline pyrite. A characteristic feature of this specimen is the strong, natural iridescence of the covellite, shimmering in shades of deep blue and intense violet. Main Features: intense blue-violet iridescence; presence of golden pyrite; ex coll. K.Urbanik. Condition: Very good - natural iridescent surfaces are well preserved and distinct on most of the specimen.
Price: 23 EUR (99 PLN)
Availability: Sold out
Location: Bor-Majdanpek, Serbia
Size: 36 x 16 x 35 mm
Weight: 35.1 g
Chemical formula: CuS / FeS₂
Crystal system: Hexagonal (covellin), Isometric (pyrite)
Mohs hardness: 1.5–2 / 6–6.5
Mineral group: Pyrite Group
Rarity: Uncommon