GemSET® calcite dicroscope is the right instrument to observe the pleochroism of the coloured gemstones. This simple instrument provide perfect definition of stones optical characteristics by separating the different coloured rays found in an anisotropic (doubly refractive) gemstone. Easily distinguish garnet from ruby by determining if a stone is singly or doubly refractive. The transparent calcite prism lets you view a gem's pleochroic colours simultaneously in sharp contrast.
Prix ttc : 78 €, sur commande.