Afghani Hackmanite Winchite - UVc

From the Kokcha Valley, Badakhshan, Afghanistan comes this 2" wide specimen.

 

Contains:

Hackmanite (FL Orange,Pink,Lilac >UVa,b,c)

Winchite (FL Yellowish green >UVc)

?? (FL Blue >UVabc)

 

Shown under UVc light.

 

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

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

'>' = "stimulated by:"

 

Obtained from G. Barmarin of Database of Luminescent Minerals

 

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

Done