Spinel - UV-Vis spectra


Color shift bluish-violet to violet spinel - 3.65 ct - Unknown locality


uvvis  spinel 365  bluish-violet-to-violet color-shift  UnknownLocality

Blue spinel - 1.10 ct - Sri Lanka


uvvis  spinel(FeCo) 110  blue  SriLanka

Grayish-blue spinel - 4.01 ct - Verneuil Man-made


uvvis  spinelCo 401  grayish-blue  Verneuil Man-made

Grayish-blue spinel - 3.56 ct rough - Kalu River, Rathnapura, Sri Lanka


uvvis  spinel 356R  grayish-blue  KaluRiver Rathnapura SriLanka

Light-greenish-yellow spinel - Boule - Verneuil Man-made, Bitterfeld, Germany


uvvis  spinel boule  light-greenish-yellow  Verneuil Bitterfeld Germany

Red spinel - 1.57 ct crystal - Flux-grown Man-made, Russia


uvvis  spinel 157C  red  Flux-grown Man-made Russia

Red spinel - 2.51 ct crystal - Myanmar


uvvis  spinel 251C  red  Myanmar
Strong Cr3+ absorption at 547 nm and emission 'artifacts' between 670 and 715 nm.

Strong 'glowing' pink spinel - 0.34 ct - Mogok, Myanmar


uvvis  spinel 034  pink  Mogok Burma

Pink spinel - 0.84 ct - Kukh-i-Lal mine, Pamir Mts, Tajikistan


uvvis  spinel 084  pink  Kuk-i-Lal Mine Pamir Tajikistan

Near colorless spinel - 1.99 ct - Myanmar


uvvis  spinel 199  near-colorless  Myanmar

Gray spinel - 1.44 ct - Mogok, Myanmar


uvvis  spinel 144  gray  Mogok Myanmar

Black spinel - 3.09 ct - Thailand


No spectrum