Sunstone and Aragonite Physical Properties

Sunstone

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.62-2.652.93-2.96

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

001

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

63.5-4

2 10

1.8 Chemical Composition

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

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

Sunstone and Aragonite Chemical Formula

While comparing Sunstone and Aragonite 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 Aragonite chemical formula.

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

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Sunstone and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.