Améthyste, quartz - Paire Prasiolite Paire d’ardoise contenant une multitude

Paire d’ardoise contenant une multitude de petits cristaux de pyrite

Shape: Round "acorn"

Dimensions : 10

Cat's eye chrysoberyl has a shimmering effect and is usually yellow green to yellow

Paire de malachites traversées d’une veine d’azurite bleue

Améthyste, quartz - Paire Prasiolite Paire d’ardoise contenant une multitudeAmethyst 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