Some time ago, I followed the course “Discovering the gemology” at the National Institute of Gemology. This training...
Before any gem purchase you should really understand the basics of what you’re dealing with in order to...
The name “sapphire” comes from the Greek “sappheiros” which means stone of blue color. Blue is omnipresent in...
From March 15 to 17, 2019 will be held the international exhibition of minerals, fossils, precious stones and...
Amber was born between 40 and 15 million years ago after abundant coniferous sap flows located in Northern...
The lapis-lazuli is a metamorphic rock of the feldspathoid group. It is a stone composed of at least...