Brucite and Kainite Physical Properties

Brucite

Kainite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.392.15

1 7.18

1.5 Fracture

Irregular

Splintery, Conchoidal, Brittle

1.6 Cleavage

Perfect on {0001}

{001}, perfect

1.7 Mohs Hardness

2.52.5-3

2 10

1.8 Chemical Composition

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

Not Available

Brucite and Kainite Chemical Formula

While comparing Brucite and Kainite 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 Kainite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Brucite and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 2.15 whereas that of Kainite is 2.15.