Lijst van fluorescerende mineralen
WEEKSITE
DOUBTFULL FLUORESCENCE but cited by some authors
Scheikundige formule: (K,Ba,Ca)2(UO2)2Si5O13 H2O
Familie: Silicaten
Status: IMA-GP
Kristal Systeem: Orthorhombisch
Mineraal om tentoon te stellen: Nee
Fluorescentie:
| UV Type | Kleur | Intensiteit | Frequentie van de observatie |
|---|---|---|---|
| Lange Golven (365nm): | Geel groen | Zeer zwak | Midden Golven (320 nm): | Geel groen | Zwak | Korte Golven(254 nm): | Geel groen | Zwak |
Fosforescentie (in de algemene betekenis) zien met het blote oog:
No Data
Commentaar:
Usually cited as non-fluorescent in the litterature despite pictures and samples in collection; identification to be verified; Fluorescent Hyalite can cover weeksite xls or xls can be included in strong fluorescent chalcedony making difficult to say in some samples if weeksite does fluoresce by itself or not (see sample from Thomas range Mountains, USA on Mindat) A crystallized sample corresponding to the facies of the weeksite and labelled as such from the Anderson Mine clearly shows a low fluorescence from the crystals themselves (no visible hyalite coating) and a spectrum could even be taken. Yellowish green fluorescence: RGB: 175, 255, 30 (approximatively calculated from the spectrum)
Activator en spectrum:
Voornaamste Activator: (UO2)2+ (Uranyl ion) intrinsiek
Pieks in het spectrum (nm):
UO22+: 532, 550nm (LW), 511, 531, 553nm (SW)
Col. G. Barmarin; Spectre: G. Barmarin
... 
Vers la galerie de spectres (2 spectres au total)
Commentaar over activators en spectra:
The peaks of the spectrum are not very well defined but there is clearly a peak around 532nm and a second one at 550nm. Other peaks should be found after deconvolution of the spectrum but are only slightly visible as shoulders in the curve.
Beste vindplaats voor fluorescentie(*):
- Anderson Mine, Date Creek Basin, Yavapai Co., Arizona, USA
(*)Gegevens zijn niet exhaustieve, ze zijn beperkt tot de meest belangrijke plaatsen voor fluorescentie
Referentie voor fluorescentie:
Referentie voor luminenscentie op het internet:
Mineralogische Referentie op het internet:
http://www.mindat.org/show.php?name=Weeksite
http://webmineral.com/data/Weeksite.shtml
Onderzoek op Internet:
Dokumenten in het Nederlands op Google
Dokumenten in alle talen op Google
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