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Brucite and Phlogopite Physical Properties


Phlogopite and Brucite Physical Properties


Physical Properties

Tenacity
Sectile   
Tough   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.39   
2.78-2.85   

Fracture
Irregular   
None, Uneven   

Cleavage
Perfect on {0001}   
Perfect basal (001)   

Mohs Hardness
2.5   
2-2.5   

Chemical Composition
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Brucite and Phlogopite Chemical Formula

While comparing Brucite and Phlogopite 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 Brucite and Phlogopite chemical formula.

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Brucite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.

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