Phenakite and Jade Physical Properties

Phenakite

Jade

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.982.90-3.38

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Splintery

Cleavage

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

1 or 2,2 prismatic.

Mohs Hardness

7.5-86-7

2 10

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Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Phenakite and Jade Chemical Formula

While comparing Phenakite and Jade 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 Jade chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Phenakite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Jade Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.90-3.38 whereas that of Jade is 2.90-3.38.