Jade and Brucite Physical Properties

Jade

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

2.90-3.382.39

1 7.18

1.5 Fracture

Gemstones of the world (2001), Difficult, Splintery

Irregular

1.6 Cleavage

1 or 2,2 prismatic.

Perfect on {0001}

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Brucite Chemical Formula

While comparing Jade 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 Jade and Brucite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Jade and Brucite Specific Gravity

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