FLUORESCENT GIBBSITE SPECIMEN 25
An unusual mineral covered in baby blue botryoidal crystals Fluorescent Gibbsite Specimen 25. Gibbsite contains Aluminium and fluoresces under short wave UV light. The specimens from this mine in particular are different in appearance to those from other locales. They are very collectible. Surprisingly light to hold. These Specimens Fluoresce under Shortwave UVC light. A label sticker comes with each specimen.
Wehshan, Yunan, China.
3.1cm x 1.8cm x 0.8cm, 3.1g.
Gibbsite, Al(OH)3, is one of the mineral forms of aluminium hydroxide. Gibbsite is an important ore of aluminium. It is one of three main phases that make up the rock bauxite.
Gibbsite is an important ore of aluminum and is one of three minerals that make up the rock Bauxite. Bauxite is really a rock and not a Mineral. Composed of aluminum oxide and hydroxide minerals. Bauxite is a laterite, a rock formed from intense weathering environments. Found in richly forested, humid, tropical climates.
It is the Gibbsite layer that in a way forms the “floor plan” for the mineral corundum, Al2O3. The basic structure of corundum is identical to Gibbsite. The individual aluminum hydroxide layers are identical to the individual layers of Gibbsite.