Shigaite and Sunstone Physical Properties

Shigaite

Sunstone

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.62-2.65

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Gemstones of the world (2001)

1.6 Cleavage

Perfect on {0001}

001

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

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

Shigaite and Sunstone Chemical Formula

While comparing Shigaite 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 Shigaite and Sunstone chemical formula.

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

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Shigaite and Sunstone Specific Gravity

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