Celestine and Phlogopite Physical Properties

Celestine

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.002.78-2.85

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

None, Uneven

1.6 Cleavage

Perfect on {001}, good on {210}, poor on {010}

Perfect basal (001)

1.7 Mohs Hardness

3-3.52-2.5

2 10

1.8 Chemical Composition

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Celestine and Phlogopite Chemical Formula

While comparing Celestine and Phlogopite 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 Celestine and Phlogopite chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Celestine and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Celestine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.