Phenakite and Labradorite Physical Properties

Phenakite

Labradorite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.982.69-2.72

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Phenakite and Labradorite Chemical Formula

While comparing Phenakite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Colorless Gems

Phenakite Vs Prase Opal

Phenakite Vs Quartz

Phenakite Vs Pyromorphite

Phenakite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.