Sunstone and Proustite Physical Properties

Sunstone

Proustite

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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

2.62-2.655.51-5.64

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

001

Distinct on {10 1 1}

1.7 Mohs Hardness

62.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sunstone and Proustite Chemical Formula

While comparing Sunstone and Proustite 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 Proustite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sunstone and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Proustite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 5.51-5.64 whereas that of Proustite is 5.51-5.64.