Generally the darker the more valuable.
Purple amethyst stone value.
Purple gemstones and metals.
With a relatively high hardness of 7 the february birthstone is a fine facetable jewelry gem for all purposes.
Hue and tone.
The finest amethyst color is a strong reddish purple or purple with no visible color zoning.
The highest grade amethyst color have a rich velvety slight bluish purple with red and blue flashes commonly called siberian amethyst or deep siberian amethyst.
The hardness of the mineral is the same as quartz thus making it suitable for use in jewelry.
For example white metals such as platinum silver or white gold give a contemporary look to purple gemstones making them stand out in contrast.
It s color ranging from violet to purple and from bright to very deep is caused by irradiation and by the presence of iron in the gemstone.
The amethyst value chart available to registered users will help you accurately estimate the price of the gemstone you own based on different factors.
Amethyst ranges in color from light pinkish purple to deep purple.
18 2ct natural pear purple amethyst 13x18mm faceted cut vvs loose gemstone 8 99 grade a natural amethyst gemstone round beads 16 2mm 3mm 4mm 6mm 8mm 10mm 12mm.
The effect that large sizes has on the price of amethyst gemstones is less than other gemstones.
Amethyst is a purple variety of quartz sio 2 and owes its violet color to irradiation impurities of iron and in some cases other transition metals and the presence of other trace elements which result in complex crystal lattice substitutions.
Siberia was once the source of the finest amethyst gemstones.
Amethyst can be one of the most rewarding gemstones for the price since large vivid colored stones are very available in fine and medium range jewelry.
It contains iron and other trace minerals within its structure.
Its hardness is a 7 on the mohs scale and comparable to quartz.
These stones featured a particularly deep purple color with flashes of red and blue.
Amethyst is purple quartz.
If the color is too dark an amethyst might look black under dim lighting conditions.
Lower grades of material can be cabbed carved and made into a great variety of beads and other ornamental objects.
It is not uncommon to find very large over 10ct fine amethyst pieces so it is worth a look.
Dealers prefer strongly saturated reddish purple to dark purple as long as the stone is not so dark that it reduces brightness.
Physical properties of amethyst.
Purple gemstones go well with all metal colors which is a factor that determines the style of the jewelry.
With amethyst gemstones coloration hue tone and saturation is everything.
Amethyst is crystalline quartz in colors ranging from pale lilac to deep reddish purple.
Amethyst can be found all over the world.