Sanidine and Phenakite Physical Properties

Sanidine

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

2.54-2.612.90-2.98

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

{001} Perfect, {010} Good

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

1.7 Mohs Hardness

67.5-8

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Phenakite Chemical Formula

While comparing Sanidine 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 Sanidine and Phenakite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sanidine and Phenakite Specific Gravity

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