Phlogopite and Celestine Physical Properties

Phlogopite

Celestine

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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

2.78-2.853.90-4.00

1 7.18

1.5 Fracture

None, Uneven

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

1.6 Cleavage

Perfect basal (001)

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

1.7 Mohs Hardness

2-2.53-3.5

2 10

1.8 Chemical Composition

Not Available

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

Phlogopite and Celestine Chemical Formula

While comparing Phlogopite and Celestine 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 Celestine chemical formula.

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

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Phlogopite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.