Celestine and Phenakite Physical Properties

Celestine

Phenakite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.002.90-2.98

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

3-3.57.5-8

2 10

1.8 Chemical Composition

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

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

Celestine and Phenakite Chemical Formula

While comparing Celestine 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 Celestine and Phenakite chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Celestine and Phenakite Specific Gravity

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