Danburite and Phenakite Physical Properties

Danburite

Phenakite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.97-3.032.90-2.98

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

{001} Poor

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

1.7 Mohs Hardness

77.5-8

2 10

1.8 Chemical Composition

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

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

Danburite and Phenakite Chemical Formula

While comparing Danburite 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 Danburite and Phenakite chemical formula.

Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Danburite and Phenakite Specific Gravity

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