Dyed purple Jade (Lavender jade or purple “Fei Cui”) from Mandalay’s jade market, Myanmar

In the accretionary Hellenides Orogen, gems occur in various rock types of mainly four tectonometamo

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

This study describes hessonite (Fe-bearing variety of grossular garnet), found in the Birlamunda vil