Albite and Phenakite Physical Properties

Albite

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

2.60-2.652.90-2.98

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

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

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

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

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Albite and Phenakite Chemical Formula

While comparing Albite 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 Albite and Phenakite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Albite and Phenakite Specific Gravity

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