Arizona Sphalerite, Willemite - PHOS

From the Nellie James Mine in Miller Canyon, Huachuca Mountains, Cochise County, AZ USA comes this 3" wide specimen.

Contains:
Sphalerite, (FL+PHOS Orange >UVab)
Willemite (FL Green >UVc)

Shown in phosphorescent state after exposure to UVabc light.

Key:
WL = White light (halogen + LED)
FL = Fluoresces
PHOS = Phosphorescent
Blue = 450nm,
UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)
'>' = "stimulated by:", '!' = "bright", '~' = "dim"

Obtained from Polman Minerals

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

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