Labradorite and Lizardite Physical Properties

Labradorite

Lizardite

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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

2.69-2.722.55

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

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

{001} Perfect

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Labradorite and Lizardite Chemical Formula

While comparing Labradorite and Lizardite 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 Lizardite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Labradorite and Lizardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Lizardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Lizardite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.55 whereas that of Lizardite is 2.55.