Carnelian and Sunstone Physical Properties

Carnelian

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

2.58-2.64

2.62-2.65

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Gemstones of the world (2001)

1.6 Cleavage

Absent

001

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

SiO₂

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

Carnelian and Sunstone Chemical Formula

While comparing Carnelian 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 Carnelian and Sunstone chemical formula.

Chemical formula of Carnelian- SiO₂
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Carnelian and Sunstone Specific Gravity

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