Color change gemstones, do you love them?
August 17, 2007 7:48pm CST
I love the color change gemstones, alexandrite being my favorite. I like color change garnet as well but dont have any in my collection yet. There is one I never heard of color change amethyst, which I didnt even know existed, and color change andesine. The color change andesine is very pretty but I dont think it really changes full color it is only a partial or more like a color shift. Andalusite is another one that has a color shift and is very pretty in top gem grade.
20 Aug 07
do they change colours because of body warmth? or because of exposure to sun? I think some gems look bicoloured if they are seen from different angles. my favourite multicolour stone is still the diamond, hee hee. the rainbow sparkles of light in incandescent light is just gorgeous.
• United States
20 Aug 07
What you are describing is pleochroism and many gemstones fall under that category such as tanzanite, and andalusite. There are only a few actual color change gemstones, and they are alexandrite which in its best form is emerald by day and ruby by night. The color change will occur in incandescent light, although mine changes under fluorescent light as well. Color change garnet which is very rare and hard to come by, I do not personally own any nor have i seen it other than in pics, and there are some color change sapphires again very rare.
• United States
27 Jul 09
A new colro change garnet has been discovered in Taita Teveta Kenya The top colro change garnet is being called Alexandrite color change garnet as less then 5% of production rivals top russian and brazilian alexandrite. These colro change garnets come in blue/green to red/purple and are comparable to top alexandrite which runs over $10,000-$12,000 or more to start per ct. Rutile or hemmatite inclusions are common in this garnet making clean stones even more rarae and extremely valuable. In addtion near this area of Kenya there is also golden tourmaline, tsavorite garnet, a new blue/green transparent feldspar looking like aquamarine, new red hessonite, Nymanga Garnet, idocras, green tourmaline, and more. The Alexandrite like colro change garnet can be seen at www.roskingemnews.com starting July 4th 2009 We are the wholesale supplier fo such facated garnets and can be reached at email: email@example.com. Lee Horowitz, M.Ed, CAGS, Gemologist Peru Blue Opal Ltd Horowitz Co-KCIG Co Ltd Kingdom of Cambodia Int Gems Co Ltd USA- firstname.lastname@example.org Lima Peru office,mining and factory- Peru Blue Opal Ltd Marcel Ryzenberg email: email@example.com