Glaucophane and Phenakite Physical Properties

Glaucophane

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3-3.152.90-2.98

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

Good on [110] and on [001]

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

Mohs Hardness

6.0-6.57.5-8

2 10

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Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

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

Glaucophane and Phenakite Chemical Formula

While comparing Glaucophane 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 Glaucophane and Phenakite chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Glaucophane and Phenakite Specific Gravity

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