Sunstone and Smithsonite Physical Properties

Sunstone

Smithsonite

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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

2.62-2.654.00-4.65

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

001

Perfect on [1011]

1.7 Mohs Hardness

65-5.5

2 10

1.8 Chemical Composition

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

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

Sunstone and Smithsonite Chemical Formula

While comparing Sunstone and Smithsonite 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 Smithsonite chemical formula.

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

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Sunstone and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.