World Rare Gemstone Natural Alexandrite 亚历山大石

Colour : Color change from Green to RedShape : CushionCut : Rectangular Antique CutWeight : 24.05 CTSDimension : 16.75 x 13.71 x 11.64 mmTreatment : No indications of thermal enhancements (UNHEATED)Clarity : VS• CSL – Colored Stone Laboratory Certified( GIA Alumina Association Member )• CSL Memo No : ABBB3F040D2F

亚历山大石

重量 : 24.05 卡拉尺寸 : 16.75 x 13.71 x 11.64 mm颜色 : 颜色改变绿色到红色透明 : 好透明形状 : 垫形治療：没有加热清晰度 : VS

Alexandrite is the color-change variety of the mineral chrysoberyl. chrysoberyl is an aluminate of beryllium with the formula BeAl2O4. Alexandrite is the third-hardest frequently encountered natural gemstone and lies at 8.5 on the Mohs scale of mineral hardness, between corundum (9) and topaz (8).The alexandrite variety displays a color change (alexandrite effect) dependent upon the nature of ambient lighting. Alexandrite results from small scale replacement of aluminium by chromium ions in the crystal structure, which causes intense absorption of light over a narrow range of wavelengths in the yellow region (580 nm) of the visible light spectrum.alexandrite was discovered by the Finnish mineralogist Nils Gustaf Nordenskiöld (1792–1866), and named alexandrite in honor of the future Tsar Alexander II of Russia.Alexandrite in sizes over three carats are Extremely rare to find. Alexandrite is the June birthstone. It’s also the anniversary stone for 55 years of marriage.Healing Properties 👇Alexandrite is highly touted as having regenerative powers and assists in centering the self, reinforcing self-esteem and enhancing the ability to experience joy and beauty. It also known to bring balance between your physical manifest world and the unmanifest astral or spiritual world. Alexandrite will unlock crown chakra and allow access to the healing energy and loving support of the universe. Alexandrite is known to help with physical ailments. It’s highly recommended for those who are recovering from surgery or from a prolonged illness and believed that this stone can improve blood circulation by purifying the blood and strengthening the blood vessels