Outstanding Hackmanite Specimen Collection – Afghanistan – 1.5 kg – Lot of 15 An attractive collection of 15 Hackmanite mineral specimens, with a combined weight of approximately 1,500 g (1.5 kg). This lot offers an interesting opportunity for mineral collectors and enthusiasts interested in unusual and distinctive natural minerals. Hackmanite is a variety of sodalite known for its distinctive colour characteristics. Some specimens display tenebrescence, a reversible colour change in response to ultraviolet light exposure, making this mineral particularly interesting to collectors. Details: Mineral: Hackmanite Form: Mineral specimens Quantity: 15 pieces Combined weight: Approximately 1,500 g (1.5 kg) Country of origin: Afghanistan Colour: Please refer to the photographs for the actual colours and variations Condition: Please examine the photographs for the visible surface features, natural textures, and any imperfections. The specimens are offered together as one lot. Each piece may display individual variations in colour, shape, and surface characteristics, reflecting the natural diversity of mineral specimens. Please review all photographs carefully to assess the appearance and condition of the collection before bidding.