Kyanite - UV-Vis spectra


Blue kyanite – 7.27 ct – India (1997/12)


uvvis  kyanite 727  blue  IndiaCr3+, Fe3+

Dark-blue kyanite – 2.66 ct – (Nepal or Brazil)(2008/05)


uvvis  kyanite 266  dark-blue  (NepalOrBrazil)Fe2+-Ti4+ and Fe2+-Fe3+ IVCT

Dark-blue kyanite – 4.55 ct – (Nepal or Brazil) (2008/05)


uvvis  kyanite 455  dark-blue  (NepalOrBrazil)Fe2+-Ti4+, Fe3+ and Cr3+

uvvis pol kyanite 455 dark blue NepalOrBrazil

Blue kyanite – 21.98 ct Crystal – Brazil (2009/05)


uvvis  kyanite 2198C  blue  BrazilFe2+-Ti4+ and Fe2+-Fe3+ IVCT

Greenish-blue kyanite – 3.91 ct cab – Orissa, India (2009/05)


uvvis  kyanite(Cr) 391  greenish-blue  Orissa IndiaCr3+, Fe3+

Greenish-blue kyanite – 3.70 ct – Orissa, India (2013/10)


uvvis  kyanite(Cr) 370  greenish-blue  Odisha IndiaCr3+, Fe3+

uvvis pol kyaniteCr 370 greenish blue Odisha India

Yellowish-green kyanite – 2.96 ct – Madagascar (2014/01)


uvvis  kyanite 296  yellowish-green  MadagascarFe3+

Yellowish-green kyanite – 10.15 ct – Mirerani, Tanzania (2016/12)


uvvis  kyanite 1015  yellowish-green  Mirerani TanzaniaFe3+, Cr3+

uvvis pol kyanite 1015 yellowish green Mirerani Tanzania

Green kyanite – 9.58 ct – Odisha, India (2017/03)


uvvis  kyanite 958  green  Orissa IndiaFe3+, Cr3+

uv vis pol kyanite 958 green Orissa India

Grayish-green kyanite – 16.49 ct Crystal – Mautia Hill, Location #2, Kongwa, Dodoma, Tanzania (2018/08)


uvvis  kyanite 1649C  grayish-green  MautiaHill Location2 Kongwa Dodoma TanzaniaFe3+, Cr3+

Yellow kyanite – 7.69 ct – (Madagascar or Tanzania) (2016/10)


uvvis  kyanite 769  yellow  MadagascarFe3+ and Mn3+

Orange kyanite – 1.00 ct – Nani, Loliondo, Tanzania (2009/06)


uvvis  kyanite 100 orange  Nani Loliondo TanzaniaFe3+ and Mn3+

Black kyanite – 21.84 ct crystals cluster – Brazil (2016/11)


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