Gem-quality pink fluorite from Planggenstock, Switzerland: chemical and physical properties and a comparison with pink fluorites from other localities

The iron-titanium charge transfer (Fe-Ti CT) is mentioned in numerous articles as the source of the

For many, fossiliferous tree resin, primarily amber, gained wide visibility to the public in 1993 wh

A.Y. Shelementyeva, Y.B. Shelementyev, O.V. Yarapova Download Pdf