All of our Minerals & Crystals are 100% Genuine Specimens & come with a Certificate of Authenticity
Size (picture scale cube=1cm): 38 x 34 x 18mm (1.5 x 1.34 x 0.71 inches)
Chalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. It has a brassy to golden yellow colour and a hardness of 3.5 to 4 on the Mohs scale. Its streak is diagnostic as green tinged black. On exposure to air, chalcopyrite oxidises to a variety of oxides, hydroxides and sulfates.
**Warning: Contains copper which can cause serious health issues if not handled correctly. DO NOT hammer or break this rock up without wearing a mask!
ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions.