Lazulite and Phenakite Physical Properties

Lazulite

Phenakite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.04-3.17

Uneven

{001} Indistinct, {???} Indistinct

5.5

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Brittle

2.90-2.98

Conchoidal, ConchoidalWalter Schumann

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

7.5-8

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

Lazulite and Phenakite Chemical Formula

While comparing Lazulite 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 Lazulite and Phenakite chemical formula.

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Lazulite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite Vs Phenakite during the identification of gemstone. Specific gravity of Lazulite is whereas that of Phenakite is .