Labradorite and Brucite Physical Properties

Labradorite

Brucite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.722.39

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Irregular

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Labradorite and Brucite Chemical Formula

While comparing Labradorite and Brucite 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 Brucite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Labradorite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.39 whereas that of Brucite is 2.39.