Spinel - PL spectra
Violet:
Blue:
- Blue spinel – 1.10 ct – Sri Lanka
- Grayish-blue spinel – 4.01 ct – Verneuil Man-made
- Grayish-blue spinel - 3.56 ct rough - Kalu River, Rathnapura, Sri Lanka
- Strong 'glowing' pink spinel – 0.34 ct – Mogok, Myanmar
- Pink spinel – 0.84 ct – Kukh-i-Lal mine, Pamir Mts, Tajikistan
![pl405 spinel 365 bluish-violet-to-violet color-shift UnknownLocality](/images/db/spinel/spinel365bluishVioletToVioletColorShiftUnknownLocality/pl405__spinel_365__bluish-violet-to-violet_color-shift__UnknownLocality.png)
![pl405+442+532 spinel(FeCo) 110 blue SriLanka](/images/db/spinel/spinelFeCo110BlueSriLanka/pl405442532__spinelFeCo_110__blue__SriLanka.png)
![pl405 spinelCo 401 grayish-blue Verneuil Man-made](/images/db/spinel/spinelCo401grayishBlueVerneuilManmade/pl405__spinelCo_401__grayish-blue__Verneuil_Man-made.png)
No luminescence with 405 and 635 nm sources.
![pl405 spinel boule light-greenish-yellow Verneuil Bitterfeld Germany](/images/db/spinel/spinelBouleLightGreenishYellowVerneuilBitterfeldGermany/pl405__spinel_boule__light-greenish-yellow__Verneuil_Bitterfeld_Germany.png)
![pl405 spinel 157C red Flux-grown Man-made Russia](/images/db/spinel/spinel157CredFluxgrownManmadeRussia/pl405__spinel_157C__red__Flux-grown_Man-made_Russia.png)
![pl405 spinel 251C red Myanmar](/images/db/spinel/spinel251CredMyanmar/pl405__spinel_251C__red__Myanmar.png)
The Cr3+ emission pattern of unheated natural spinel. The 740 nm emission is to be looked into.
![pl405 spinel 034 pink Mogok Burma](/images/db/spinel/spinel034pinkMogokBurma/pl405__spinel_034__pink__Mogok_Burma.png)
![pl405 spinel 084 pink Kuk-i-Lal Mine Pamir Tajikistan](/images/db/spinel/spinel084093pinkKukhILalMinePamirTajikistan/pl405__spinel_084__pink__Kuk-i-Lal_Mine_Pamir_Tajikistan.png)
The Cr3+ emission pattern of unheated natural spinel.
![pl405 spinel 199 near-colorless Myanmar](/images/db/spinel/spinel199nearColorlessMyanmar/pl405__spinel_199__near-colorless__Myanmar.png)
![pl405 spinel 144 gray Mogok Myanmar](/images/db/spinel/spinel144grayMogokMyanmar/pl405__spinel_144__gray__Mogok_Myanmar.png)
No spectrum