conchoidal
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
epidote
ck_admin
March 24, 2021
Its name comes from the Greek “epidosis” for generous, that lives largely, referring to its crystalline form, which is a juxtaposition of numerous slender prisms. Its former name, pistachite, was referring to its color. There are several varieties: The variety clinozoisite, is a dimorph of
eosphorite
ck_admin
March 24, 2021
Its name comes from the Greek, defining the pink color at the arrival of dawn. Its chemical formula is very close to the childrenite, which is yellow-brown because iron dominates, while for éosphorite it is manganese which dominates and gives the pink color.
emerald
ck_admin
March 24, 2021
This is the green variety of beryl, the more valuable because of its unparalleled color, its name comes from the Greek “smaragdos” derived from an ancient Semitic word meaning “shining”. This is one of the gems most sought after, when the green the more sustained
meerschaum
ck_admin
March 24, 2021
This is a silicate in the form of tiny crystals assembled in concretions in highly porous aggregates. This porosity allows it to float, it hardens as it dries. Its name, sepiolite, it has been awarded by the German mineralogist E. F. Glocker, that determined the
diopside
ck_admin
March 24, 2021
Its name comes from the Greek, “two” and “appearance” because of the double surface appearance of the prism when it is crystallized. Diopside is also “starred”, “shimmering” and the chromite variety, gemstone essentially coming from Russia, is emerald green. A deposit in Piedmont( Italy )
