Sunstone and Sard Physical Properties

Sunstone

Sard

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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

2.62-2.652.58-2.63

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

001

Not Available

1.7 Mohs Hardness

66.5-7

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Sunstone and Sard Chemical Formula

While comparing Sunstone and Sard 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 Sard chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Sunstone and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Sard Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.58-2.63 whereas that of Sard is 2.58-2.63.