The Bull Vein Fluorite TD2115 opal Hyalite doesn't have the same

Hyalite doesn't have the same internal structure of tiny spheres of silicon dioxide that cause precious opals to have brilliant displays of color

this purple fluorite specimen has exceptional blue fluorescence

One is that of the Inuit people who claimed it fell from the frozen fire of the Aurora Borealis

Locality: Diamantina

The Bull Vein Fluorite TD2115 opal Hyalite doesn't have the sameThe Bull Vein Fluorite Approx. Dimensions: 4 x 2. 5 x 2 inches Approx. Weight: 311 grams Locality: The Bull Vein, Lady Annabella Mine, Eastgate, Weardale, Co. Durham, England From the Bull Vein, this yellow and light green fluorite specimen has exceptional blue fluorescence. The first photo shows the piece under a long wave UV light (with the photography lights still on!). Fluorite from this locality has such strong fluorescence that it will even turn