Coloured Gemstones

Bastnäsite from Pakistan coloured by Rare Earth Elements (REE), exhibiting a colour-change

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About the platelet peak of HPHT-treated diamonds of type 1a

Fancy coloured sapphires: the beauty beyond "blue" of sapphire and "red" of rubies (2011)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

How to get the blues out of the pink- detection of low temperature treatment of pink sapphires (2010)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

Spinel: a gemstone on the rise (2010)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

Gemstones and the fascination of colour (2010)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

Heating and diffusion processes on rubies: characteristics, detection and declaration (2010)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

Visit to Tanzanian spinel and corundum deposits (2010)

 

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About the platelet peak of HPHT-treated diamonds of type 1a

LA-ICP-MS in gemmology (2009)

 

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