Chemical Formula: Th(Ca,Na)2K1-xSi8O20 (x=0.2-0.4)
Familly: Silicates
Status: IMA-A
Crystal System: Tetragonal
Mineral for Display: No
UV Type | Main color | Intensity | Observation Frequency |
---|---|---|---|
Long Waves (365nm): | Green | Strong | Short Waves (254 nm): | Green | Strong |
Daylight Picture
STEACYITE, twinned xl with aegirine in charoïte, Aldan Shield,
Sakha Republic (Yakutia), Russia;
Copyright 2006 S. Schneider,
The World of Fluorescent Minerals,
Used with permission of the author,
Short Waves Pictures (254nm)
STEACYITE, twinned xl with aegirine in charoïte, Aldan Shield,
Sakha Republic (Yakutia), Russia;
Steacyite fluoresces green SW and LW, albite red SW,
Copyright 2006 S. Schneider,
The World of Fluorescent Minerals,
Used with permission of the author,
Embedded in Charoite with microcline and aegirine, similar in apparence to ekanite (crystals of rectangular section, glassy and honey yellow in color)
Most Common Activator: (UO2)2+ (Uranyl ion) as impurities
No spectrum for the moment(*)Data are not exhaustive and are limited to the most important localities for fluorescence
http://www.mindat.org/show.php?name=Steacyite
http://webmineral.com/data/Steacyite.shtml
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