Ametrine Facts - JewelInfo4u

 

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 Ametrine Facts
 Author: , 11/29/2004 7:20:13 PM
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Ametrine Facts 

Chemical Composition

Ametrine is macrocrystalline variety of quartz. The chemical composition is Silicon Dioxide having the formula SiO2.

Hardness

7 ( Mohs) .

Cleavage

None

Refractive Index

1.544 - 1.553

Specific Gravity

2.63-2.65

Luster

Vitreous

Colours

Always contains any two colours viz. purple, violet, yellow

Crystal System

Hexagonal  crystal system.

Dispersion

Medium (.013)

Heat sensitivity

Very less.

Pleochroism

Weak to distinct.

Density

2.66

Enhancement

Ametrine is not enhanced.

Source

Natural occurrence at Bolivia and sometimes at Brazil.
 



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JewelInfo4u - Ametrine Facts