Coral and Phenakite Physical Properties

Coral

Phenakite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.70

2.90-2.98

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

3-4

7.5-8

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Coral and Phenakite Chemical Formula

While comparing Coral 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 Coral and Phenakite chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Coral and Phenakite Specific Gravity

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