Albite and Emerald Physical Properties

Albite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.60-2.652.67-2.78

1 7.18

1.8 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.9 Cleavage

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

Imperfect on the [0001]

1.10 Mohs Hardness

6-6.57.5-8

2 10

1.11 Chemical Composition

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

Be₃Al₂SiO₆

Albite and Emerald Chemical Formula

While comparing Albite and Emerald 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 Emerald chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Albite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Albite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.