AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bulgaria > Sphalerite (exhibiting selective fluorescence)

Sphalerite (exhibiting selective fluorescence) from Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria

Photo below under shortwave ultraviolet illumination:

DESCRIPTION:	No. 73801
Mineral:	Sphalerite (exhibiting selective fluorescence)
Locality:	Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria
Description:	Lustrous black sphalerite crystals on fine-grained tan-colored quartz. The sphalerite crystals are octahedral form with dodecahedral edge faces. Some sphalerite crystal faces are lustrous, others have a silky luster. Select face fluoresce yellow under SW Ex. W. Keller #2014, acquired in 1991 from Tom Moore
Overall Size:	5.5x4x4 cm
Crystals:	3-15 mm
Archived:	For reference only

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