Initiation a La Gemmologie NEW ARRIVAL Measure the weight in air

Measure the weight in air

01 g up to 3000 g

Buying jade is a challenge because its value can vary significantly depending on its quality and treatment status

who tells him that the stone is a manifestation of the sprits and appropriates it for himself

The idea of a hierarchy of preciousness may have originated in the ancient East and worked its way slowly westward

Initiation a La Gemmologie NEW ARRIVAL Measure the weight in airDeuxime dition revue et complte de ce manuel simple et pratique comportant les bases indispensables de la gemmologie. Pour l'identification des gemmes, une partie est consacre au diamant et ses substituts et aux moyens de reconnaissance. Il est complt par un index avec la dfinition des termes techniques utiliss dans l'ouvrage. Auteur : H. Lagache