Connecticut Fluorite (var. Chlorophane) - UVc

 

From Trumbull, CT USA comes this 2.5" wide specimen of chlorphane. Chorophane is unique in that it is very thermoluminescent. It displays pale blue greenish phosphorescence after being slightly heated. Some chlorophane glows from just the warmth of being held in the hand.

 

Contains:

Chlorophane (FL+PHOS Blue,Blue green >UVab,c)

 

Shown under UVc light.

 

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

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

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

 

Courtesy of Gordon Czop.

 

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

Done