Chrysoberyl ~ Alexandrite 15 ct, Oval Green to Red Certificate Color Change Gem - $1,200 - (Palm Coast, FL)

Chrysoberyl ~ Alexandrite 15 ct, Oval Green to Red Beryl Certificate Color ChangeCertificate Color Change Africa Gem Nice Size. Instant Color change from green to red with different lamp lighting. Carat Weight: 15 ct. (TCW)Size: 18 x 14 x 9 mm (LxWxD) Color: Red - Green - Purple - Gray Cut: Oval / Faceted (Checkerboard Bottom) Hardness: 8.5 Mineral Crystal: Chrysoberyl ~ AKA ( Alexrandrite ) Refractive Index: 1.744 - 1.755 Inclusions: Slight inclusions under magnification eye clean. Chrysoberyl is the third-hardest frequently encountered natural gemstone and lies at 8.5 on the Mohs scale of mineral between corundum (9) and topaz (8). Color Change with multi color changes, photos are from the same gem, put under different indoor light bulbs, it changes from one color to another instantly under different lighting, some lighting including sun light; it stays red. Other lighting acts differently, depending on where it came from; and its mineral contents. Some go from red to green, others go from red to orange and blue to brown, cast of gray blue. With its chameleon-like qualities, is a rare variety of the mineral crystal chrysoberyl, its color can be a lovely green in daylight or fluorescent light, changing to brownish or purplish red in the incandescent light from a lamp or candle flame. This gem under ultra violet it turns royal blue. Chrysoberyl that exhibits a distinctive color change. It's considered the premier color change gemstone. Today most of these color changing gems comes from Brazil, Sri Lanka, Tanzania, Madagascar and India, with slightly different mineral content; but still falling within the Chrysoberyl family of gems. This large affordable gem of a verity of " Chrysoberyl " from Africa, displays a color change effects dependent upon the nature of ambient lighting "metamerism" effect; is the phenomenon of an observed color change from greenish to reddish with a change in a source of lighting illumination. Use for pendant, brooch, specimen gem. You ge…

Posted in Palm Coast, FL, Jewelry
From ebay.com - 1 month ago