Améthyste, quartz - Lot de 4 Obsidienne / Obsidian 22 kt gold and pink

22 kt gold and pink tourmaline cabochon

Color: pale blue

Dimensions: 14

London blue topaz is deep blue with a slight tinge of green

This pair of quartz features color zoning of red-purple

Améthyste, quartz - Lot de 4 Obsidienne / Obsidian 22 kt gold and pinkAmethyst 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