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Chrome Tourmaline and Alexandrite Physical Properties


Alexandrite and Chrome Tourmaline Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.35   
3.69-3.81   

Fracture
ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
3,2   
1,1 ; 3,2.   

Mohs Hardness
7-7.5   
8.5   

Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.   
BeAl 2 O 4   

Optical Properties >>
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Chrome Tourmaline and Alexandrite Chemical Formula

While comparing Chrome Tourmaline 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 Chrome Tourmaline and Alexandrite chemical formula.

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Chrome Tourmaline and Alexandrite Specific Gravity

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

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