The following are the information of color chart:
Regarding the Nano Stones color chart:
There're 2 kinds of color chart.
One is set with 6mm round stones. around 80 colors/80 pcs of stones . : $110 /chart
(Including popular colors of Corundum and spinel stones)
Another is Color book set with melee round stones ( several pcs of 1.50mm or 1.25mm) and 1 piece of 4x6mm oval stones: $450/book (More than 100 colors with light, medium, dark color shades)- (And see a picture of Nano Morganite color stones -Color variation of melee small and bigger stones )
Nano stones have 3 main series, one is transparent series, semi transparent series (Like the Opal milky), and Opaque series
Regarding the Color Change:
First one is : Nanosital -Zultanite color change series . Nanosital, they're selling rough, no finished gemstones. We're buying the rough from them, and cut/make the gemstones.
No Color charts. As it's not very popular. and the color/rough is unstable. sometimes it'll be changed.
Second one is: CZ color change, the popular ones are COLOR CHANGE AMETHYST TO GRAY, COLOR CHANGE GREEN TO YELLOW,COLOR CHANGE LAVENDER TO AMETHYST,COLOR CHANGE LAVENDER TO ROSE,COLOR CHANGE SILVER TO ORANGE, COLOR CHANGE WHISKY TO ORANGE
Have color chart for sale. $20 /chart
Regarding the Coated quartz, (also called us mystic-quartz),
Please find a picture of a color chart in the attachment.
Can be coated with White CZ, White Color Glass, White topaz. The price of Quarts will be higher than White CZ or Glass.
No color chart for sale.
Glass color chart:
You can see from the picture in this link: http://www.frgems.com/catalogue
Color chart for sale. $18 /chart
All the price quoted above are not including the freight cost.