Indonesian Amber - WL (backlit)

 

From Indonesia comes this 4" wide specimen.

 

Contains:

Amber (FL Blue >UVabc)

 

Shown under white light.

 

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 455nm,

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

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

 

Obtained from Obsidian Days 2015, Hines OR, USA.

 

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

Done