Swedish Sphalerite in Calcite - UVc

From Langban, Sweden comes this 3.5" wide specimen. The sphalerite is phosphorescent from exposure to white light.

 

Contains:

Sphalerite (FL+PHOS Orange >UVabc)

Calcite (FL Red >UVc)

 

Shown under UVc light.

 

Key:

WL = White light

FL = Fluoresces

PHOS = Phosphorescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:"

 

Obtained from Minershop

 

MSL5210

 

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

Done