Sodalite var: Hackmanite Outstanding World-Class Incredibly Large Rare Orange Color Fluorescent/Tenebrescent George Robertson golden-black "blades" of Goethite forming

golden-black "blades" of Goethite forming beautiful crystallized "sprays" flaring off the side of a very sharp

Description: I’ve seen a good number of Amethyst specimens from the Rubeho Mountains

tetragonal Anatase crystals with gem quality Quartz on matrix

and in the case of this stone

Sodalite var: Hackmanite Outstanding World-Class Incredibly Large Rare Orange Color Fluorescent/Tenebrescent George Robertson golden-black "blades" of Goethite formingHere we have an exceptionally rare and truly mind blowing faceted gem of Hackmanite, the gem variety of Sodalite, which is best known for not only its beautiful colors and transparency, but the extraordinary visual phenomenon of fluorescence and tenebrescence exhibited when the material is exposed to ultra violet light. Hackmanite typically fluoresces a strong hue under long wave ultra violet light, and typically a softer hue under short wave