Sunstone and Piemontite Physical Properties

Sunstone

Piemontite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.65Not Available

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Splintery

1.6 Cleavage

001

[001] good, [100] distinct

1.7 Mohs Hardness

66-6.5

2 10

1.8 Chemical Composition

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

Not Available

Sunstone and Piemontite Chemical Formula

While comparing Sunstone and Piemontite 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 Piemontite chemical formula.

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

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Sunstone and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is Not Available whereas that of Piemontite is Not Available.