Hardystonite and Brucite Physical Properties

Hardystonite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4432.39

1 7.18

1.5 Fracture

Brittle, Metallic

Irregular

1.6 Cleavage

[001] good, [100] and [110] fair

Perfect on {0001}

1.7 Mohs Hardness

3-42.5

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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

Hardystonite and Brucite Chemical Formula

While comparing Hardystonite 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 Hardystonite and Brucite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hardystonite and Brucite Specific Gravity

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