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alexandrite
 
 
Chinese Name:亞歷山大石 (屬金綠寶石的品種)
English Name:Alexandrite、belong to Chrysoberyl's varieties
Other Name:Chrysoberyl
Optical Effect:
Colour Change
Chemical Composition:Be(Al,Cr)2O4  
Crystal System:Orthorhombic
Hardness:8.5
SG:3.70 - 3.78
RI:1.746 - 1.763 (Double refraction +0.007 to +0.011)
Related Chakra:Crown
Birthstone:June
Astrological Sign: Aquarius, Pisces
Locality Brazil, Sri Lanka, Zimbabwe, Burma
Colour:It's green under day light/outdoor, colour turns to red/purple when put under light bulb/indoor.
Remarks:Alexandrite displaying the cat's-eye effect is a great rarity. High-quality alexandrite is one of the most expensive of all gemstones.
Special Optical Effect:Colour Change Effect: The colour change effect exhibit by alexandrite; under white light: green colour; under tungsten light: red colour.
 
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Gem-ID Certificate

colour change effect
The colour change effect exhibit by alexandrite
 
Functions:
1. Wear it on the left hand, can stop the negative energy coming closer.
2. Wear it on the chest, help a person to think in a neutral way.
3. Wear it on the ears, prevent over react of the brain.
4. It's a very special stone that give you the feeling of enjoying life.
   
General care:
 
1. The gem is durable enough for everyday wear.
2. Cleaning: Use lukewarm plain water, mild soap and a soft brush to scrub behind the stone where dirt can collect.
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