Low Temperature Heat Treatment of Madagascar Sapphire
E. Billie Hughes and Rosey Perkins
Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities
In this study, first results of trace element analyses and various spectrometric investigations on p
On the nature of blue rose quartz
Over the past several years, the market for pink-coloured rose quartz has been augmented by variants
