Phlogopite and Hackmanite Physical Properties

Phlogopite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.27-2.33

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

Not Available

1.7 Mohs Hardness

2-2.55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Hackmanite Chemical Formula

While comparing Phlogopite and Hackmanite 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 Phlogopite and Hackmanite chemical formula.

Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Phlogopite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.