Lazurite and Phenakite Physical Properties

Lazurite

Phenakite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.752.90-2.98

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Imperfect on {110}

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

1.7 Mohs Hardness

5.57.5-8

2 10

1.8 Chemical Composition

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

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

Lazurite and Phenakite Chemical Formula

While comparing Lazurite 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 Lazurite and Phenakite chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Lazurite Vs Morion

Lazurite Vs Moss Agate

Lazurite Vs Moroxite

Lazurite and Phenakite Specific Gravity

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