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Phenakite and Liddicoatite Physical Properties


Liddicoatite and Phenakite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-2.98   
3.02   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal   

Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}   
{0001} Poor   

Mohs Hardness
7.5-8   
Not Available   

Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

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Phenakite and Liddicoatite Chemical Formula

While comparing Phenakite and Liddicoatite 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 Phenakite and Liddicoatite chemical formula.

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Phenakite and Liddicoatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Liddicoatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Liddicoatite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.02 whereas that of Liddicoatite is 3.02.

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