Sard and Sunstone Physical Properties

Sard

Sunstone

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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

2.58-2.632.62-2.65

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

Not Available

001

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Sunstone Chemical Formula

While comparing Sard and Sunstone 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 Sard and Sunstone chemical formula.

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

Compare Blue Gemstones

Sard Vs Sillimanite

Sard Vs Sodalite

Sard Vs Spinel

Sard and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Sard is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.