Buy 凹切紫黄晶 Gems

(0)

宝石的种类

颜色

单个宝石

成对宝石

集合石

切面

凸面宝石

排序方式:

清除所有

No results

Back to previous page

凹切紫黄晶
Quartz which occurs in bands of yellow and purple has been given the name of ametrine (amethyst + citrine). It is sometimes referred to as trystine and is a natural bicolor combination of amethyst and citrine. Color band combinations in ametrine can range from pale-violet to deep-purple and from pale-yellow to gold-brown. Ametrine's color split is rather abrupt and is not a smooth blend of colors. Both the violet and yellow colors found in ametrine are from traces of iron. Initially cutters favored windowed emerald shapes with a 50/50 split of colors, and much of the rough is still cut this way. More recently, however, some cutters have begun to cut a variety of shapes, many of which create internal reflections that blend the yellow and purple into attractive shades of rosy gold and mauve, or create mosaic-like flashes of both yellow and purple.

Concave cutting involves cutting facets that are three dimensional (curved). The technology to cut concave facets was developed by the American inventor Douglas Hoffman around 1990. It allows conical-shaped, three dimensional facets to be cut, so that each facet has depth as well as length and breadth. The result is that more of the ambient light is refracted and returned to the eye in the form of brilliance.

In order to find the concave-cut ametrine gems that you require, filter the results further by using the left-hand menu. You can buy concave-cut ametrine gems by shape. By using the top menu, you can search by carat weight, size, price, origin and other factors, to enable you to find the exact ametrine gems that you are looking for. All items are in stock and ready to be shipped.

注册用户评论

综合评分 -> 10

Great selection. I have ordered many times over the years and had good services and great stones.

发布者 Kel in September, 2019

来源: Bizrate

综合评分 -> 9

Great selection of items easey to place order definitely will order from you again Just wish that there was a place on the sight to convert MM to inches or be able to pick between mm and inches to determine the size of stone's for those of us that do not use the metric system

发布者 Nickel in September, 2019

来源: Bizrate

综合评分 -> 10

Bro, I found this dope ass site with thee most beautiful gems and the picture quality is awesome. When I tell you that you can choose so simply then you better believe it!

发布者 Jeff in September, 2019

来源: Bizrate

综合评分 -> 10

This web site is super easy to use and the product has always been top notch. I have ordered stones from around the globe and I love their selection. My wife's wedding gifts and greats birthday gifts always start with gem select.

发布者 Jake the Jeweler in September, 2019

来源: Bizrate

综合评分 -> 10

I really trust GemSelect from the recommendation from MsBlue at The Remix and going to the site you can see where the Crystal is from geographically and basic scientific properties and I see the exact Crystal I am buying from the pictur. No surprises and you are getting the REAL THING!

发布者 Mayadia in September, 2019

来源: Bizrate

综合评分 -> 10

Good business

发布者 Cj in September, 2019

来源: Bizrate

宝石信息

在此找到更多的内容

人气宝石

注册我们的时事通讯

卖家信用