Albite and Hardystonite Physical Properties

Albite

Hardystonite

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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

2.60-2.653.396-3.443

1 7.18

1.5 Fracture

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

Brittle, Metallic

1.6 Cleavage

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

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

1.7 Mohs Hardness

6-6.53-4

2 10

1.8 Chemical Composition

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

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

Albite and Hardystonite Chemical Formula

While comparing Albite and Hardystonite 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 Hardystonite chemical formula.

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

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Albite and Hardystonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Hardystonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Hardystonite Optical Properties during the identification of gemstone. Specific gravity of Albite is 3.396-3.443 whereas that of Hardystonite is 3.396-3.443.