£1.50 – £2.25
Chalcopyrite mineral specimens from Sulitjelma, Norway, a major copper ore mineral, these pieces exhibit excellent quality chalcopyrite detailing the shiny brassy yellow colouration and metallic lustre expected. These mineral specimens are approximately 70% – 80% chalcopyrite and are available in various sizes and come supplied in card tray with an information label.
Chalcopyrite is a well known copper iron sulphide mineral and also a major copper ore, it has a brassy yellow colour and a metallic lustre, however, overtime, this lustre can dulls as oxidation takes place. This mineral, like many other ore minerals forms through volcanogenic processes often being deposited as sulfide ore deposits, as such it can often be found in ore veins, although it can form by other processes too. These particular specimens of chalcopyrite come from Sulitjelma, Norway and are approximately 70 - 80 % chalcopyrite. The mineral its self is fairly soft, coming up at a hardness of 3.5 to 4 on the Mohs scale & a green tinged black streak when pulled across a streak plate, these pieces are available in 3 various sizes and will come supplied in a card tray with an information label.