Sunstone and Albite Physical Properties

Sunstone

Albite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.652.60-2.65

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

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

1.7 Mohs Hardness

66-6.5

2 10

1.8 Chemical Composition

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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

Sunstone and Albite Chemical Formula

While comparing Sunstone 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 Sunstone and Albite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sunstone and Albite Specific Gravity

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