According to gia alexandrite s finest dual colors are a vivid grass green in daylight and fluorescent light and an intense raspberry red in incandescent light. However some good specimens also come from the mining locations of sri lanka brazil tanzania and madagascar.
The main source of large natural alexandrite gems today is actually antique jewelry.
Alexandrite russian gemstones. Often described by gem aficionados as emerald by day ruby by night alexandrite is the very rare color change variety of the mineral chrysoberyl. Originally discovered in russia s ural mountains in the 1830s it s now found in sri lanka east africa and brazil but fine material is exceptionally rare and valuable. Alexandrite is a rare and expensive gemstone named to honor the russian tsar alexander ii 1818 1881.
In 1987 alexandrite was discovered in brazil and later in madagascar myanmar sri lanka and zimbabwe. Russian alexandrite loose stone russian gems alexandrite changes color gemstone for jewelry lab alexandrite round 4mm 15mm russiangoldcom. The greatest of all alexandrite specimens known to the author is housed in moscow s fersman mineralogical museum.
Many modern sources frequently use emerald by day ruby by night to romanticize alexandrite s color. According to the traders the natural russian alexandrite stones show the best color change effect but are increasingly rare and precious. Despite recent finds of alexandrite in brazil tanzania and burma it is still hard to find high quality natural alexandrite.
A few russian miners are still working those trailings there in the urals and they are finding a few fine gems but only in very limited quantities. Alexandrite mines in russia and india produce the finest quality gems. However none of these sites produce as rich and vivid a color change as the original russian source.
5 out of 5 stars 24 24 reviews 9 99. Mysticdrop 0 25 0 41 cts of 4x4x4 mm aaa trillion 1 pc loose russian lab created alexandrite gemstone by mysticdrop in stock. 0 30ct 2pcs pair marquise cut 5 x 2mm 100 color change natural aaa alexandrite.
Large over 3 carats clean alexandrite gems are among the rarest and most costly of all gemstones. Its most prized feature is that it changes color under natural and artificial light. Favorite add to.
The 18 by 13 centimeter matrix contains at least 22 large alexandrite crystals. Details five stars by vigilante bones. Alexandrite is a color change variety chrysoberyl and is considered one of the rarest gemstones in the world.
Russian color changing alexandrite gemstone natural untreated rough lot. Russian alexandrite is extremely rare the original source in russia s ural mountains has long since dried up after producing for only a few decades. 33 97 free shipping.
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