fluorescent PYROMORPHITE - closed locality - Pcheloyad Mine, Bulgaria
Brown Pyromorphite crystals with dark brown Sphalerite and golden Pyrite.
Pyromorphite fluoresces in a dark yellow color LW (stronger lamp is recommended to view), some of the matrix fluoresces pale-blue SW
from Pcheloyad Mine (Pchelojad; Ptchelojad; Pcheloiad), Momchilgrad Obshtina, Kardzhali Oblast (Kurdzhali; Kărdžali; Kurdjali), Bulgaria
the mine is closed
Measures approximately 1.5 x 1 x 1 inch, 1.19 oz / 38 x 25 x 25 mm, 34g
this specimen is featured on mindat: minID: 9FY-878
Item # A0211214
To show the fluorescent response the specimen was illuminated using 6 watt 254nm (Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).