Brucite and Labradorite Physical Properties

Brucite

Labradorite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.69-2.72

1 7.18

1.5 Fracture

Irregular

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Brucite and Labradorite Chemical Formula

While comparing Brucite 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 Brucite and Labradorite chemical formula.

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

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Brucite and Labradorite Specific Gravity

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