Mexican Mystery Crystal - UVa

 

FOV: 2" wide

 

From Mexico comes this 3" wide specimen of fluorite on calcite. This closeup is on an unidentified dark cubic crystal with orange fluorescence and phosphorescence. Crystal could be sphalerite (zinc sulfide).

 

Contains:

Fluorite (FL+PHOS Blue >UVabc)

Calcite (FL+PHOS Pink,Red >UVa,bc)

?? (FL+PHOS Orange >UVabc)

 

Shown under UVa light.

 

Key:

WL = White light

FL = Fluoresces

PHOS = Phosporescent

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

'>' = "stimulated by:"

 

Obtained from Minershop

 

MSW1527

 

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

Done