conchoidal
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actualités
villiaumite
ck_admin
March 24, 2021
Its name honors Maxime Villiaume, French soldier and explorer who made collections of minerals from Madagascar and Guinea. The villiaumite was found in its samples coming from Guinea (Rouma Island). For gemologists: watch this stone has an significant polarization abnormality, while being isotropic.
vesuvianite
ck_admin
March 24, 2021
Its name comes from the Vesuvius (Italy) where it was discovered, it is also called vesuvienne, idocrase, wiluite (form the Wilui River in Yakutia, Russia). The californite variety, discovered in 1963 by the famous mineralogist Kunz, is a massive, persistent and green variety of vesuvianite
vanadinite
ck_admin
March 24, 2021
Discovered in 1838 in Mexico, its name comes from its composition, rich in vanadium.
turquoise
ck_admin
March 24, 2021
This is simply the “Turkish stone” because when this gem came to Europe, it had passed through that country, but it came from Persia. The Greeks called it “callaite”. It was a sacred stone for the Egyptians, Persians, Tibetans, Indians, Mayans, Aztecs and Incas. Color
tourmaline
ck_admin
March 24, 2021
Its name comes from Sri Lanka, Ceylon, where it was called “tourmali” or “torra molli”, stone attracting ashes, it is considered as a colored zircon. It was not until 1703 that the Dutch brought it to Europe. It was identified by Buffon in 1759. It
