Chemical formula
|
SiO2 _ |
Crystalline system
|
trigonal |
Class
|
oxides |
Origin | Minas Gerais, Brazil |
Size |
Medium: 3.00-4.00 cm Large: 4.00-5.00 cm |
Massive high-quality Amethyst with an intense transparent violet color typical of the mineral.
Amethyst is a violet macrocrystalline variety of quartz. The color can be more or less intense, depending on the amount of iron it contains. It can appear colored by zones with transparent or yellow quartz (citrine).
The piece you receive may differ slightly from the photo shown as the minerals are natural and no piece is identical. The size is approximate.