Phlogopite and Enstatite Physical Properties

Phlogopite

Enstatite

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1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.853.20-3.25

1 7.18

1.5 Fracture

None, Uneven

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Perfect basal (001)

Good/distinct on [210]

1.7 Mohs Hardness

2-2.55.5

2 10

1.8 Chemical Composition

Not Available

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Phlogopite and Enstatite Chemical Formula

While comparing Phlogopite and Enstatite 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 Enstatite chemical formula.

Chemical formula of Enstatite- Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Phlogopite and Enstatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Enstatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Enstatite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.20-3.25 whereas that of Enstatite is 3.20-3.25.