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Brucite and Andradite Physical Properties


Andradite and Brucite Physical Properties


Physical Properties

Tenacity
Sectile   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.39   
3.70-4.10   

Fracture
Irregular   
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {0001}   
none   

Mohs Hardness
2.5   
6.5-7   

Chemical Composition
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Brucite and Andradite Chemical Formula

While comparing Brucite and Andradite 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 Andradite chemical formula.

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Brucite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.

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