Sunstone and Augelite Physical Properties

Sunstone

Augelite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.652.70-2.75

1 7.18

1.5 Fracture

Gemstones of the world (2001)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

001

From the Greek for luster, for its pearly luster on the cleavage.

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

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

Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Sunstone and Augelite Chemical Formula

While comparing Sunstone and Augelite 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 Augelite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Sunstone and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Augelite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.70-2.75 whereas that of Augelite is 2.70-2.75.