Hackmanite and Phenakite Physical Properties

Hackmanite

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

2.27-2.332.90-2.98

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

5.5-67.5-8

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hackmanite and Phenakite Chemical Formula

While comparing Hackmanite 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 Hackmanite and Phenakite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael 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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Hackmanite and Phenakite Specific Gravity

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