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Moonstone - Rainbow Colour

Moonstone - Orange Colour

 

 

 

 

 

 

 

Moonstone

Moonstone occurs in  blue, but it also occurs in grey, white, pink, green and brown.It is usually polished as a cabochon, and is often carved with a moon face. Its importance as a gemstone arises because of its schiller, which in moonstone has been given the name adularescence.The colour of this schiller regarded as most desirable is blue, which usually occurs in a white or grey body colour.

Mystery Surrounding this stone

Moonstone almost seems magical with a ghostly shimmering glow floating in a crystalline material. The Romans thought that moonstone was formed out of moonlight. 

Sources for this gemstone 

It is mined in Sri Lanka, Southern India and Tanzania

Technical Data

Chemical Composition and name KAlSi3O8 - Potassium Aluminium Silicate
Hardness 6 - 6.5
Specific Gravity 2.55 - 2.58
Crystalline System Monoclinic
Refractive Index 1.52 - 1.53 to 1.53 - 1.54