Quartz dendritique Quartz rutilé / Rutilated quartz Amethyst is the purple variety

Amethyst is the purple variety of crystalline quartz

Hardness: 6

Weight: 54

orange and gray

is naturally composed of tiger eye

Quartz dendritique Quartz rutilé / Rutilated quartz Amethyst is the purple varietyRock crystal is the colorless variety of crystalline quartz ; it does not contain any coloring element in impurity. However, this strain can present various inclusions giving it a multitude of fascinating appearances. Inclusions of iron oxide (Fe) and the presence of manganese give rise to dendritic patterns reminiscent of branches or frost. Variety: Quartz Color: Colorless, orange and black Dimensions: 23. 00 mm Weight: 34. 68 ct Shape: Cabochon