Phenakite and Jadeite Physical Properties

Phenakite

Jadeite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.983.28-3.38

1 7.18

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

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

Good on [110]

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Phenakite and Jadeite Chemical Formula

While comparing Phenakite and Jadeite 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 Jadeite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Phenakite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.