Labradorite and Sapphirine Physical Properties

Labradorite

Sapphirine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.723.40-3.58

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

6-6.57.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Labradorite and Sapphirine Chemical Formula

While comparing Labradorite and Sapphirine 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 Labradorite and Sapphirine chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Labradorite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.