Here is where the production is washed and sorted. Many crystals are trimmed and only the gem quality interior portions are saved. The best quality production from the mine is used for faceted ametrine, amethyst, and citrine. Some specimen material and ametrine slabs are also produced. The 5 cm wide crystal contains only a minor amount of citrine color.
Citrine color is found in few specimens.
The view is about 2.5 cm across. Synthetic Ametrine Synthetic ametrine is now produced in limited quantities in Russia. It will be developed in a later step. The shape of the seed results in a final crystal which has a different morphology from the natural material. Amethyst color develops in a two step process.