Corundum - PL spectra


Blue sapphire – 0.40 ct – Auvergne, France


pl405  sapphire 040  blue  Auvergne FranceCr3+

Blue sapphire – 0.04 ct crystal – Sioulot, Puy De Dôme, Auvergne, France


pl405  sapphire 004  blue  Sioulot PuyDeDome Auvergne FranceCr3+

Light-blue sapphire – 5.06 ct rough – Guroji, Mambilla, Taraba, Nigeria


pl405  sapphire 506B  light-blue  Guroji Mambilla Tsara NigeriaCr3+

Unheated bluish-purple sapphire – 0.49 ct – Ranotsara, Madagascar


pl405  sapphire 049  bluish-purple  Ranotsar MadagascarCr3+

Violetish-blue sapphire – 0.84 ct – Likely synthetic


pl405  sapphire 084  violetish-blueCr3+

pl254  sapphire 084  violetish-blue
Ti4+

Sapphires from Graves Hill, Queensland, Australia


pl405  sapphires  GravesHill Queensland AustraliaCr3+

Green sapphire - 0.18 ct - Puy De Dôme, Auvergne, France


Not available

Pinkish-red ruby – 0.40 ct – Montepuez, Niassa, Republic Of Mozambique


pl405  ruby 040  pinkish-red  Montepuez Niassa RepublicOfMozambiqueCr3+

Unheated red ruby – 0.71 ct – Andilamena, Madagascar


pl405  ruby 071  red  unheated  Andilamena MadagascarCr3+

Red ruby – Verneuil Man-made


pl405  ruby -  red  Verneuil Man-madeCr3+

Pinkish-red ruby - 2.70 ct - Glass-filled treated


Not available

Pinkish-red ruby – 1.10 ct – Tajikistan


pl532  ruby 110  pinkish-red  TajikistanCr3+