Brucite and Tanzanite Physical Properties

Brucite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.393.35

1 7.18

1.5 Fracture

Irregular

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {0001}

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Brucite and Tanzanite Chemical Formula

While comparing Brucite and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Brucite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brucite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brucite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Brucite is 3.35 whereas that of Tanzanite is 3.35.