Poudretteite and Phenakite Physical Properties

Poudretteite

Phenakite

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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

2.51-2.532.90-2.98

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Phenakite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Phenakite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Violet Gemstones

Poudretteite Vs Rubellite

Poudretteite Vs Sapphire

Poudretteite Vs Rutilated Quartz

Poudretteite and Phenakite Specific Gravity

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