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Poldervaartite and Alexandrite Physical Properties


Alexandrite and Poldervaartite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.91   
3.69-3.81   

Fracture
Handbook of mineralogy (2001)   
Not Available   

Cleavage
None   
1,1 ; 3,2.   

Mohs Hardness
Not Available   
8.5   

Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)   
BeAl 2 O 4   

Optical Properties >>
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Poldervaartite and Alexandrite Chemical Formula

While comparing Poldervaartite and Alexandrite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Poldervaartite and Alexandrite chemical formula.

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Poldervaartite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.

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Gems Found In Africa


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