Améthyste, quartz Opale / Opal Taillée par le réputé Dieter

Taillée par le réputé Dieter Lorenz de Idar-Oberstein

Cette pierre fine (parfois qualifiée de semi-précieuse) est sans aucun doute le quartz le plus populaire

80 ctForme et taille: Rectangle cabochonTraitement: TeintDureté: 6

Shape: Faceted Trillion

Color: Blue-green and black

Améthyste, quartz Opale / Opal Taillée par le réputé DieterAmethyst is the purple variety of crystalline quartz. Its dark purple to light purple color is due to the presence of iron (Fe). This is the birthstone for the month of February. This fine stone (sometimes referred to as semi precious) is undoubtedly the most popular quartz. Amethyst, which once competed with the finest gemstones, became affordable in the early 19th century when significant deposits were discovered in Brazil. Variety: Quartz Purple