Fluorite - UV-Vis spectra


Purple - Violet: Blue: Green: Yellow - Orange - Brown: Red: Pink: Colorless:

Violet fluorite – crystal – Unknown origin


uvvis  fluorite crystal  violet  UnknownOrigin
  • 400, 555 nm: Electron-hole centers: F-center  + Y3+ [1] [2] [3] [4] 
  • 555 nm: Mie scattering on colloidal Ca [2]

Violet fluorite – 16.50 ct – Africa


uvvis  fluorite 1650  violet  Africa

Purple fluorite – 8.05 ct – Koh-i-Maran, Balochistan, Pakistan


uvvis  fluorite 805  purple  Koh-i-Maran Balochistan Pakistan

Purple fluorite – 50.06 ct – Koh-i-Maran, Balochistan, Pakistan


uvvis  fluorite 5006  purple  Koh-i-Maran Balochistan Pakistan

Dark blue fluorite – 4.34 ct – Afghanistan


uvvis  fluorite 434  dark-blue  Afghanistan
  • ~400, 580 nm: Electron-hole centers: F-center  + Y3+ [1] [2] [3] [4]

Greenish-blue fluorite – 16.79 ct – Koh-i-Maran, Balochistan, Pakistan


uvvis  fluorite 1679  greenish-blue  Koh-i-Maran Balochistan Pakistan

Color change – blue to violet fluorite – 21.22 ct – (Marocco)


uvvis  fluorite 2122  blue-to-violet ColorChange  (Marocco)

Color change – dark-blue to violet fluorite – 3.04 ct – (Brazil -> China)


uvvis  fluorite 304  dark-blue-to-violet ColorChange  China

Greenish-blue fluorite – 7.87 ct – (Brazil)


uvvis  fluorite 787  greenish-blue  (Brazil)

Greenish-blue fluorite – 5.24 ct – Afghanistan


uvvis  fluorite 524  greenish-blue  Afghanistan

Color change – greenish-blue to light-bluish-violet fluorite – 8.01 ct – Puy St Gulmier, Puy De Dome, France


uvvis  fluorite 801  greenish-blue-to-light-bluish-violet  PuyStGulmier PuyDeDome France

Slightly-violetish-blue fluorite – 7.24 ct – Afghanistan


uvvis  fluorite 724  slightly-violetish-blue  Afghanistan

Blue to violet color change fluorite – 2.14 ct – Valzergues, Aveyron, France


uvvis  fluorite 214  blue-cc-violet  Valzergues Aveyron France

Light-green fluorite – 7.40 ct – Africa


uvvis  fluorite 740  light-green  Africa
  • 397, 585 nm: Electron-hole centers: F-center  + Y3+ [1] [2] [3] [4]
  • 712 nm: Electron-hole centers: F-center  + Ce [4] 
  • 424, 445, 610, 680 nm: Sm2+ [2]
  • 907 nm: unindentified

Green fluorite – 5.55 ct – Peñas Blancas, Colombia


uvvis  fluorite 555  bluish-green  Penas Blancas Colombia

Light yellowish-green fluorite – 17.72 ct – Koh-i-Maran, Balochistan, Pakistan


uvvis  fluorite 1772  light-yellowish-green  Koh-i-Maran Balochistan Pakistan

Bluish-green fluorite – 4.28 ct – (Kandahar), Afghanistan


uvvis  fluorite 428  bluish-green  (Kandahar) Afghanistan

Light-green fluorite – 30.93 ct octahedral crystal – China


uvvis  fluorite 3093C  light-green  China

Strong-green fluorite – 15.75 ct – (Riemvasmaak, South Africa)


uvvis  fluorite 1575  strong-green  (Riemvasmaak SouthAfrica)

Light-green fluorite – 14.61 ct crystal – Republic of Cameroon


uvvis  fluorite 1461C  light-green  RepublicOfCameroon

Green & brown fluorite – 9.45 ct – Argentina


uvvis  fluorite 945  green-and-brown-zoned  Argentina

Bluish-green fluorite – 1.37 ct – Mine de La Barre, Puy De Dome, France


uvvis  fluorite 137  bluish-green  MineDeLaBarre PuyDeDome France

Light-bluish-green fluorite – crystal – William Wise Mine, Westmoreland, Cheshire County, New Hampshire, USA


uvvis  fluorite C  light-bluish-green  WilliamWiseMine Westmoreland CheshireCounty NewHampshire USA

Color change – pale-yellow to greenish-gray fluorite – 5.75 ct – South India


uvvis  fluorite 575  pale-yellow  SouthIndia
  • 400, 580 nm: Electron-hole centers: F-center  + Y3+ [1] [2] [3] [4]
  • 910 nm: unidentified 

Golden-brown fluorite – crystal – White Rock Quarry, Clay Center, Ohio, USA


Not available

Yellow & violet fluorite – 12.80 ct – Klein Spitz Koppe, Namibia


Not available

Very-light-yellow fluorite – crystal – Tarn, France


uvvis  fluorite crystal  very-light-yellow  Tarn France

Light-yellow, blue outer zoned fluorite – 55 ct crystal – Maxonchamps, Rupt-sur-Moselle, Vosges, France


uvvis  fluorite 5500C  blue-outer-zoned-light-yellow  Maxonchamps Rupt-sur-Moselle France

Yellow fluorite – 36.22 ct – Africa


uvvis  fluorite 3622  yellow  Africa

Golden-yellow fluorite – 5.04 ct – Madagascar


uvvis  fluorite 504  golden-yellow  Madagascar

Light-yellow fluorite – 2.44 ct – Puy St Gulmier, Puy De Dome, France


uvvis  fluorite 244  yellow  PuyStGulmier PuyDeDome France

Yellow fluorite – 3.66 ct – Valzergues, Aveyron, France


uvvis  fluorite 366  yellow  Valzergues Aveyron France

Purplish-red fluorite – 1.55 ct – Brazil


uvvis  fluorite 155  purplish-red  Brazil

Light-pink fluorite – 2.60 ct – Mont Blanc massif, France


uvvis  fluorite 260  Light-pink  MontBlancMassif France

Light-pink fluorite – 8.39 ct – Man-made, France


uvvis  fluorite 840  light-pink  synth  France

Colorless fluorite – 6.01 ct – Unknown origin


No spectrum

[1] Spectroscopy, Luminescence and Radiation Centers in Minerals, A.S. Marfunin, Springer Berlin Heidelberg, 1979, ISBN: 978-3642671142

[2] Fluorite Visible Spectra - List of Visible Data Files on the Caltech Mineral Spectroscopy Server

[3] The cause of the colour of Blue John and other purple fluorite

[4] Spectroscopic characterization of fluorite: relationships between trace element zoning, defects and color, Carrie Wright, Miami University, 2002