Hackmanite Crystal Specimen in Pottle Black Friday Spheres A 'Black Star' Diopside is

A 'Black Star' Diopside is the national stone of India

Base Color: Clear

Our new Gem Torch has 5 different light functions for all of your Gem Identification needs

and vanilla

formed about 28-29 million years ago from the intense heat of a powerful

Hackmanite Crystal Specimen in Pottle Black Friday Spheres A 'Black Star' Diopside isHackmanite is a rare, sulfur rich variety of the mineral Sodalite, celebrated by mineralogists and gem collectors for its mesmerizing optical properties. Hackmanite exhibits Tenebrescence: "reversible photochromism." When exposed to UV light, pale stones (usually white, gray, or pink) rapidly darken to deep pink, violet, or purple. When stored in the dark or exposed to white LED light, the original color returns. These crystals comes in a protective