Demantoid and Phenakite Physical Properties

Demantoid

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

3.77-3.952.90-2.98

1 7.18

1.5 Fracture

Not Available

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

6.57.5-8

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Phenakite Chemical Formula

While comparing Demantoid 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 Demantoid and Phenakite chemical formula.

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

Compare Green Gemstones

Demantoid Vs Faustite

Demantoid Vs Euclase

Demantoid Vs Emerald

Demantoid and Phenakite Specific Gravity

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