It contains iron and other trace minerals within its structure.
Purple amethyst stone value.
Purple gemstones and metals.
The biggest factor in the value of the amethyst gemstones is the color.
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.
These stones featured a particularly deep purple color with flashes of red and blue.
Amethyst ranges in color from light pinkish purple to deep purple.
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.
Amethyst can be found all over the world.
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.
The amethyst value chart available to registered users will help you accurately estimate the price of the gemstone you own based on different factors.
Purple gemstones go well with all metal colors which is a factor that determines the style of the jewelry.
The effect that large sizes has on the price of amethyst gemstones is less than other gemstones.
Its hardness is a 7 on the mohs scale and comparable to quartz.
It is not uncommon to find very large over 10ct fine amethyst pieces so it is worth a look.
Amethyst is purple quartz.
The hardness of the mineral is the same as quartz thus making it suitable for use in jewelry.
Siberia was once the source of the finest amethyst gemstones.
Generally the darker the more valuable.
Dealers prefer strongly saturated reddish purple to dark purple as long as the stone is not so dark that it reduces brightness.
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.
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.
If the color is too dark an amethyst might look black under dim lighting conditions.
With amethyst gemstones coloration hue tone and saturation is everything.
For example white metals such as platinum silver or white gold give a contemporary look to purple gemstones making them stand out in contrast.
The finest amethyst color is a strong reddish purple or purple with no visible color zoning.
Deep strong purple amethyst is the most valuable.
With a relatively high hardness of 7 the february birthstone is a fine facetable jewelry gem for all purposes.
Physical properties of amethyst.
Amethyst is crystalline quartz in colors ranging from pale lilac to deep reddish purple.