Sunstone and Phenakite Physical Properties

Sunstone

Phenakite

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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

2.62-2.652.90-2.98

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

001

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

67.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sunstone and Phenakite Chemical Formula

While comparing Sunstone and Phenakite 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 Phenakite chemical formula.

Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sunstone and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.