Amethyst comes from the Greek word meaning "unbreakable". Amethyst is a quartz mineral with the chemical composition of SiO2, and is the purple color of the noble and beautiful crystal family.
In ancient Greek culture, amethyst was considered a symbol of the god of wine. Amethyst is the birthstone for February, symbolizing loyalty and love. Giving amethyst for your sixth wedding anniversary means a happy marriage.
[Amethyst]
Mineralogical name: Silicon dioxide
Chemical formula: SiO2
Crystal system: tripartite crystal system
Hardness: 7
Specific gravity: 2.65
Luster: Glassy
Transparency: transparent - translucent
Refractive index: 1.544-1.553
Birefringence: 0.009
Fracture: shell-like
[Place of Origin]
Amethyst is widely distributed around the world, the main places of origin are: Uruguay, Korea, Zambia, Brazil, China and so on. Among them, the amethyst produced in Uruguay has been the highest shade of purple in amethyst.
[color]
Amethyst color with purple, due to the crystal contains iron, manganese elements and present hazy psychedelic, regal purple, mainly light purple, purple red, deep purple, blue purple and other colors.
[How to choose amethyst?]
①Color
The best amethyst color is deep fuchsia or purple, no entrained brown, no obvious color range, and the color should not be so dark that the brightness is reduced, the color is too dark amethyst in the dim light may appear black, which in turn leads to a decline in value.
② clarity
Most amethysts on the market contain inclusions that can only be seen with a magnifying glass, meaning that it has no inclusions that can be observed with the naked eye. If the amethyst is of perfect color and attractive, even if there are inclusions in the facets of the stone, they are still acceptable.
③Cut
Amethyst can be cut into a variety of standard shapes and styles, including round, oval, emerald, triangular, cushion, etc. In addition, it is also popular to cut it into a variety of free-form shapes to create a unique piece of jewelry.
④Carat
Amethyst comes in a wide range of sizes and can be set in a variety of jewelry styles. The price of amethyst does not rise too dramatically with carat size, so large carat amethyst stones are quite popular.