Jade and Phenakite Physical Properties

Jade

Phenakite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.382.90-2.98

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

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

1.6 Cleavage

1 or 2,2 prismatic.

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

1.7 Mohs Hardness

6-77.5-8

2 10

1.8 Chemical Composition

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

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

Jade and Phenakite Chemical Formula

While comparing Jade and Phenakite 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 Jade and Phenakite chemical formula.

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

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Jade and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jade and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Jade is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.