Pisces

Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …

actualités

cut onyx

onyx

The onyx are varieties of chalcedony. Mineralogists describe them as varieties of agate. The name comes from a Greek word meaning “nail” because of the color of the loose nail. The gemologists and gem cutters talk about completely black gems or in banded layers of

Read
black obsidian from Ascension Island

obsidian

Its name comes, according to Pliny, from Obsidius who brought it from Ethiopia, which would have led the Romans to call it “obsidius lapis”. From the seventeenth century we find the names of hyalopsite, mountain mahogany, Iceland black agate, mirror of the Incas, gallinaceous stone

Read
carved lapis lazuli from Afghanistan

lapis lazuli

This is a rock of variable composition containing from 35 to 40% of lazurite (which gives it the beautiful blue color), sodalite, some nosean, some hauynite. Its name comes from the Arabic for “blue”. Azure blue color, greenish blue, dark purple, caused by sulfur, and

Read
labradorite crystal from Finland with the phenomenon of blue labradorescence

labradorite

This plagioclase was discovered in 1770 in the Labrador region in Canada, which gave it its name. It is part of the albite-anorthite series. Its characteristic is a set of iridescent colors that can be observed by changing its position relatively to the light, this

Read
cabochon of dumortierite from Africa

dumortierite

Its name honors Eugene Dumortier, a paleontologist from Lyon (France )(1802-1873). It occurs most commonly as quartz inclusions, it is then called “blue aventurine”.

Read
dioptase from Zaire cut in cabochon

dioptase

It has long been confused with emerald with whom shares the same color, but it was identified in 1801 as a specific species by René Just Haüy. Its name comes from the Greek, recalls that its cleavage planes are visible through the crystal, which was

Read
Shopping Cart