Mexican Fluorite - WL

 

From Mapimi Durango, Mexico comes this 4" wide specimen of fluorite on limonite.

 

Contains:

Fluorite (FL+PHOS Blue, Blue Grey >UVab,c)

 

Shown under white light.

 

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

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

'>' = "stimulated by:"

 

Obtained from Obsidian Days 2010 Hines, OR, USA.

 

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Photostream best viewed in Slideshow mode (in the dark).

 

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

Done