Hardystonite and Albite Physical Properties

Hardystonite

Albite

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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

3.396-3.4432.60-2.65

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

[001] good, [100] and [110] fair

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

1.7 Mohs Hardness

3-46-6.5

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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

Hardystonite and Albite Chemical Formula

While comparing Hardystonite and Albite 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 Hardystonite and Albite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hardystonite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hardystonite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Albite Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 2.60-2.65 whereas that of Albite is 2.60-2.65.