0.30 Ct Mind Blowing Huge Natural Alexandrite Hue Amazing Color Change Garnet. 100% Natural Earth Mined Gemstone!!
Unseen World Best Amazing Color Change for Gem Collector's!!! 5.15 x 2.85 x 1.85 Mm. Color Change (From Green To Raspberry Purple Red). 7.0 Moh'S Scale. There have been persistent rumors the production of Madagascar color change garnet is played out.
Many contend they are still finding the garnets, but the desirable colors are gone, and the new material changes from pink-brown to brown. However, there are still a few goods presently available on the market. The African color change garnets on the market today are from Bekily, Madagascar and Tunduru, Tanzania. Similar material is also being produced in Ceylon (Sri Lanka).
These gems change from reddish purple in incandescent to blue, green, gray in daylight. Do not expect the blue side of these stones to look like Burma or Kashmir sapphire. The blue is more synonymous with the steely colors of blue spinel or Montana sapphire. In the best cases, the color change is reminiscent of the old Brazilian alexandrite material. Mining According to Greg Kvichel, partner, Michael Couch and Associates, These goods are becoming rarer.
During the recent contested presidential election, all exports were blocked. Finding these goods is primarily a non-mechanized form of mining.You must remember, with a few exceptions, most of these goods are mined by natives with shovels and buckets. " Kvichel continues, "These gems are also found with chrysoberyl, corundum, and spinel.
Ideal Color Changes Garnet is one of a few gemstones that can exhibit a color change. A color change gem is a stone that changes from one color to another color depending upon the light source. As a general rule, the Madagascar material goes from a raspberry red to a bluish grey.
The Tanzanian material goes from a raspberry red to a teal blue color. The red color side of these garnets is typically the strongest, and the blue/green side is the weakest.
Until this color change garnet was recently discovered in Madagascar, there never were any blue garnets! The color change occurs in garnet because of the atomic structure of the stone. The ultraviolet rays in sunlight or fluorescent light excite the atoms in a color change, but artificial (incandescent) light does not. As a general rule when evaluating color change gemstones, the more dramatic the color change, the more desirable the material. You do not want to use your imagination to see the color change.
Ideally, you are looking for a 100% color change with two pleasing colors. In reality, you often get a lower percentage color change. You do not want a stone that obviously "bleeds", which means you can see the two colors at the same time under a single light source. The more vivid the colors of a color change, the more valuable the gemstone.
Ideally, you want a dramatic color change with a medium tone and intense color. However, good luck finding one.As a general guideline with African color changes, you either get a moderate color change with a light tone or a strong color change with a dark tone. However, you must be aware these color changes with dark tones can often black out. You can be assured of receiving exactly what you order. Since our Gems come directly from the mines to our factory, our gemstones are guaranteed to be natural. Your satisfaction is our most important asset.
The item "0.30Ct MUSEUM GRADE Gem Rare Natural Alexandrite Hue COLOR CHANGE GARNET CCG31" is in sale since Sunday, April 21, 2019. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Alexandrite". The seller is "bangkokgemsonline" and is located in Bangkok, Thailand. This item can be shipped worldwide.