someHerrings
Rockyard Feldspar: Microcline (?) - UVc
From the local rockyard comes this 7" wide specimen of feldspar var. microcline (?) with quartz inclusions. It's red fluorescence is activated by Fe3+ replacing Al3+.
Contains:
Feldspar: (FL Deep red >UVc)
Shown under UVc light.
No detectable phosphorescence.
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 Highland Rocks and Gems' Rockyshop, Burns OR, USA.
Series best viewed in Light Box mode using Right and Left arrows to navigate.
Photostream best viewed in Lightbox mode (in the dark).
18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps
Rockyard Feldspar: Microcline (?) - UVc
From the local rockyard comes this 7" wide specimen of feldspar var. microcline (?) with quartz inclusions. It's red fluorescence is activated by Fe3+ replacing Al3+.
Contains:
Feldspar: (FL Deep red >UVc)
Shown under UVc light.
No detectable phosphorescence.
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 Highland Rocks and Gems' Rockyshop, Burns OR, USA.
Series best viewed in Light Box mode using Right and Left arrows to navigate.
Photostream best viewed in Lightbox mode (in the dark).
18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps