Name : Rare Fluorescent Phosphorescent Sharp Color Change Faceted Hackmanite Gemstone. Size : 7.8 mm x 6 mm x 4.7 mm. Time is 10 to 14 days. Please don't leave negative or neutral feedbcak, if any problem with my product, please contact me. (a group of silicate minerals).The item "1 Crat Fluorescent Phosphorescent Sharp Color Change Faceted Hackmanite Gemstone" is in sale since Monday, May 25, 2020. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Fluorescent Minerals".mine" and is located in Peshawar, KPK. This item can be shipped worldwide.