Phenakite and Celestine Physical Properties

Phenakite

Celestine

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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

2.90-2.983.90-4.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

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

1.7 Mohs Hardness

7.5-83-3.5

2 10

1.8 Chemical Composition

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

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

Phenakite and Celestine Chemical Formula

While comparing Phenakite 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 Phenakite and Celestine chemical formula.

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

Compare Colorless Gems

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Phenakite Vs Prase Opal

Phenakite Vs Pyromorphite

Phenakite and Celestine Specific Gravity

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