Améthyste, quartz Calcédoine / Chalcedony Jasper is the opaque variety

Jasper is the opaque variety of polycrystalline quartz

Shape: Freeform slice

Actual product colors may vary from colors shown on your monitor

90 ctForme et taille : Tranche bruteTraitement : AucunOrigine : UruguayDureté : 7

Améthyste, quartz Calcédoine / Chalcedony Jasper is the opaque varietyAmethyst 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