Améthyste, Quartz Citrine The contrast between turquoise and

The contrast between turquoise and very yellow gold is spectacular

It belongs to the corundum family which also includes sapphires and fancy colored sapphires

orange and green

brown and black

Variété : Diaspore

Améthyste, Quartz Citrine The contrast between turquoise andAmethyst is the purple variety of crystalline quartz. Its dark purple to light purple color is due to the presence of iron (Fe). It 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 most beautiful gemstones, became affordable at the beginning of the 19th century when large deposits were discovered in Brazil. Variety: