Phenakite and Zincite Physical Properties

Phenakite

Zincite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.985.50-5.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Distinct on {11 2 0}, imperfect on {10 1 1}

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

7.5-84

2 10

1.8 Chemical Composition

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Phenakite and Zincite Chemical Formula

While comparing Phenakite and Zincite 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 Zincite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Phenakite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.